Home / 9,520.05-13,137.23-5,270.81

Finding the Fourth Proportional to 9,520.05, 13,137.23 and 5,270.81

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Solution

The fourth proportional to 9,520.05, 13,137.23 and 5,270.81 is: 7,273.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520.05 : 13,137.23 = 5,270.81 : x
  2. Step 2: Convert to fraction form
    9,520.05/13,137.23 = 5,270.81/x
  3. Step 3: Cross multiply
    9,520.05x = 13,137.23 × 5,270.81
  4. Step 4: Simplify right side
    9,520.05x = 69,243,777.57
  5. Step 5: Solve for x
    x = 69,243,777.57/9,520.05
  6. Step 6: Final answer
    x = 7,273.47

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Half scale
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Double scale
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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.