Home / 18,468.28-25,486.32-10,084.78

Finding the Fourth Proportional to 18,468.28, 25,486.32 and 10,084.78

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Solution

The fourth proportional to 18,468.28, 25,486.32 and 10,084.78 is: 13,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468.28 : 25,486.32 = 10,084.78 : x
  2. Step 2: Convert to fraction form
    18,468.28/25,486.32 = 10,084.78/x
  3. Step 3: Cross multiply
    18,468.28x = 25,486.32 × 10,084.78
  4. Step 4: Simplify right side
    18,468.28x = 257,023,930.21
  5. Step 5: Solve for x
    x = 257,023,930.21/18,468.28
  6. Step 6: Final answer
    x = 13,917.05

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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.