Home / 9,153.51-12,631.14-5,175

Finding the Fourth Proportional to 9,153.51, 12,631.14 and 5,175

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Solution

The fourth proportional to 9,153.51, 12,631.14 and 5,175 is: 7,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.51 : 12,631.14 = 5,175 : x
  2. Step 2: Convert to fraction form
    9,153.51/12,631.14 = 5,175/x
  3. Step 3: Cross multiply
    9,153.51x = 12,631.14 × 5,175
  4. Step 4: Simplify right side
    9,153.51x = 65,366,149.50
  5. Step 5: Solve for x
    x = 65,366,149.50/9,153.51
  6. Step 6: Final answer
    x = 7,141.10

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Double scale
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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.