Home / 16,230.08-22,397.80-9,520.55

Finding the Fourth Proportional to 16,230.08, 22,397.80 and 9,520.55

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Solution

The fourth proportional to 16,230.08, 22,397.80 and 9,520.55 is: 13,138.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,230.08 : 22,397.80 = 9,520.55 : x
  2. Step 2: Convert to fraction form
    16,230.08/22,397.80 = 9,520.55/x
  3. Step 3: Cross multiply
    16,230.08x = 22,397.80 × 9,520.55
  4. Step 4: Simplify right side
    16,230.08x = 213,239,374.79
  5. Step 5: Solve for x
    x = 213,239,374.79/16,230.08
  6. Step 6: Final answer
    x = 13,138.53

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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.