Home / 16,319.35-22,520.51-9,149.23

Finding the Fourth Proportional to 16,319.35, 22,520.51 and 9,149.23

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Solution

The fourth proportional to 16,319.35, 22,520.51 and 9,149.23 is: 12,625.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,319.35 : 22,520.51 = 9,149.23 : x
  2. Step 2: Convert to fraction form
    16,319.35/22,520.51 = 9,149.23/x
  3. Step 3: Cross multiply
    16,319.35x = 22,520.51 × 9,149.23
  4. Step 4: Simplify right side
    16,319.35x = 206,045,325.71
  5. Step 5: Solve for x
    x = 206,045,325.71/16,319.35
  6. Step 6: Final answer
    x = 12,625.83

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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.