Home / 16,035.74-22,128.66-9,321.04

Finding the Fourth Proportional to 16,035.74, 22,128.66 and 9,321.04

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Solution

The fourth proportional to 16,035.74, 22,128.66 and 9,321.04 is: 12,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,035.74 : 22,128.66 = 9,321.04 : x
  2. Step 2: Convert to fraction form
    16,035.74/22,128.66 = 9,321.04/x
  3. Step 3: Cross multiply
    16,035.74x = 22,128.66 × 9,321.04
  4. Step 4: Simplify right side
    16,035.74x = 206,262,125.01
  5. Step 5: Solve for x
    x = 206,262,125.01/16,035.74
  6. Step 6: Final answer
    x = 12,862.65

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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.