Home / 16,634.22-22,953.05-9,920.64

Finding the Fourth Proportional to 16,634.22, 22,953.05 and 9,920.64

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Solution

The fourth proportional to 16,634.22, 22,953.05 and 9,920.64 is: 13,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,634.22 : 22,953.05 = 9,920.64 : x
  2. Step 2: Convert to fraction form
    16,634.22/22,953.05 = 9,920.64/x
  3. Step 3: Cross multiply
    16,634.22x = 22,953.05 × 9,920.64
  4. Step 4: Simplify right side
    16,634.22x = 227,708,781.58
  5. Step 5: Solve for x
    x = 227,708,781.58/16,634.22
  6. Step 6: Final answer
    x = 13,689.18

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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.