Home / 18,768.38-25,901.17-10,384.88

Finding the Fourth Proportional to 18,768.38, 25,901.17 and 10,384.88

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Solution

The fourth proportional to 18,768.38, 25,901.17 and 10,384.88 is: 14,331.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,768.38 : 25,901.17 = 10,384.88 : x
  2. Step 2: Convert to fraction form
    18,768.38/25,901.17 = 10,384.88/x
  3. Step 3: Cross multiply
    18,768.38x = 25,901.17 × 10,384.88
  4. Step 4: Simplify right side
    18,768.38x = 268,980,386.84
  5. Step 5: Solve for x
    x = 268,980,386.84/18,768.38
  6. Step 6: Final answer
    x = 14,331.58

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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.