Home / 18,738.32-25,856.68-10,354.32

Finding the Fourth Proportional to 18,738.32, 25,856.68 and 10,354.32

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Solution

The fourth proportional to 18,738.32, 25,856.68 and 10,354.32 is: 14,287.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.32 : 25,856.68 = 10,354.32 : x
  2. Step 2: Convert to fraction form
    18,738.32/25,856.68 = 10,354.32/x
  3. Step 3: Cross multiply
    18,738.32x = 25,856.68 × 10,354.32
  4. Step 4: Simplify right side
    18,738.32x = 267,728,338.86
  5. Step 5: Solve for x
    x = 267,728,338.86/18,738.32
  6. Step 6: Final answer
    x = 14,287.75

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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.