Home / 13,292.76-18,344.17-7,324.28

Finding the Fourth Proportional to 13,292.76, 18,344.17 and 7,324.28

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Solution

The fourth proportional to 13,292.76, 18,344.17 and 7,324.28 is: 10,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.76 : 18,344.17 = 7,324.28 : x
  2. Step 2: Convert to fraction form
    13,292.76/18,344.17 = 7,324.28/x
  3. Step 3: Cross multiply
    13,292.76x = 18,344.17 × 7,324.28
  4. Step 4: Simplify right side
    13,292.76x = 134,357,837.45
  5. Step 5: Solve for x
    x = 134,357,837.45/13,292.76
  6. Step 6: Final answer
    x = 10,107.60

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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.