Home / 9,153.27-12,631.95-5,175.63

Finding the Fourth Proportional to 9,153.27, 12,631.95 and 5,175.63

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Solution

The fourth proportional to 9,153.27, 12,631.95 and 5,175.63 is: 7,142.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.27 : 12,631.95 = 5,175.63 : x
  2. Step 2: Convert to fraction form
    9,153.27/12,631.95 = 5,175.63/x
  3. Step 3: Cross multiply
    9,153.27x = 12,631.95 × 5,175.63
  4. Step 4: Simplify right side
    9,153.27x = 65,378,299.38
  5. Step 5: Solve for x
    x = 65,378,299.38/9,153.27
  6. Step 6: Final answer
    x = 7,142.62

Related Problems

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Half scale
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Double scale
Find fourth proportional to 9,154.27, 12,633.33 and 5,176.63
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.