Home / 12,634.76-17,436.15-7,331.18

Finding the Fourth Proportional to 12,634.76, 17,436.15 and 7,331.18

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Solution

The fourth proportional to 12,634.76, 17,436.15 and 7,331.18 is: 10,117.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.76 : 17,436.15 = 7,331.18 : x
  2. Step 2: Convert to fraction form
    12,634.76/17,436.15 = 7,331.18/x
  3. Step 3: Cross multiply
    12,634.76x = 17,436.15 × 7,331.18
  4. Step 4: Simplify right side
    12,634.76x = 127,827,554.16
  5. Step 5: Solve for x
    x = 127,827,554.16/12,634.76
  6. Step 6: Final answer
    x = 10,117.13

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Half scale
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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.