Home / 16,284.60-22,471.68-9,209.68

Finding the Fourth Proportional to 16,284.60, 22,471.68 and 9,209.68

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Solution

The fourth proportional to 16,284.60, 22,471.68 and 9,209.68 is: 12,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,284.60 : 22,471.68 = 9,209.68 : x
  2. Step 2: Convert to fraction form
    16,284.60/22,471.68 = 9,209.68/x
  3. Step 3: Cross multiply
    16,284.60x = 22,471.68 × 9,209.68
  4. Step 4: Simplify right side
    16,284.60x = 206,956,981.86
  5. Step 5: Solve for x
    x = 206,956,981.86/16,284.60
  6. Step 6: Final answer
    x = 12,708.75

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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.