Home / 15,382.24-21,232.76-9,010.88

Finding the Fourth Proportional to 15,382.24, 21,232.76 and 9,010.88

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Solution

The fourth proportional to 15,382.24, 21,232.76 and 9,010.88 is: 12,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,382.24 : 21,232.76 = 9,010.88 : x
  2. Step 2: Convert to fraction form
    15,382.24/21,232.76 = 9,010.88/x
  3. Step 3: Cross multiply
    15,382.24x = 21,232.76 × 9,010.88
  4. Step 4: Simplify right side
    15,382.24x = 191,325,785.69
  5. Step 5: Solve for x
    x = 191,325,785.69/15,382.24
  6. Step 6: Final answer
    x = 12,438.10

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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.