Home / 18,838.28-25,996.98-10,454.92

Finding the Fourth Proportional to 18,838.28, 25,996.98 and 10,454.92

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Solution

The fourth proportional to 18,838.28, 25,996.98 and 10,454.92 is: 14,427.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.28 : 25,996.98 = 10,454.92 : x
  2. Step 2: Convert to fraction form
    18,838.28/25,996.98 = 10,454.92/x
  3. Step 3: Cross multiply
    18,838.28x = 25,996.98 × 10,454.92
  4. Step 4: Simplify right side
    18,838.28x = 271,796,346.14
  5. Step 5: Solve for x
    x = 271,796,346.14/18,838.28
  6. Step 6: Final answer
    x = 14,427.87

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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.