Home / 18,477.32-25,497.28-10,517.95

Finding the Fourth Proportional to 18,477.32, 25,497.28 and 10,517.95

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Solution

The fourth proportional to 18,477.32, 25,497.28 and 10,517.95 is: 14,513.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.32 : 25,497.28 = 10,517.95 : x
  2. Step 2: Convert to fraction form
    18,477.32/25,497.28 = 10,517.95/x
  3. Step 3: Cross multiply
    18,477.32x = 25,497.28 × 10,517.95
  4. Step 4: Simplify right side
    18,477.32x = 268,179,161.20
  5. Step 5: Solve for x
    x = 268,179,161.20/18,477.32
  6. Step 6: Final answer
    x = 14,513.97

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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.