Home / 16,289.73-22,480.23-9,119.61

Finding the Fourth Proportional to 16,289.73, 22,480.23 and 9,119.61

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Solution

The fourth proportional to 16,289.73, 22,480.23 and 9,119.61 is: 12,585.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,289.73 : 22,480.23 = 9,119.61 : x
  2. Step 2: Convert to fraction form
    16,289.73/22,480.23 = 9,119.61/x
  3. Step 3: Cross multiply
    16,289.73x = 22,480.23 × 9,119.61
  4. Step 4: Simplify right side
    16,289.73x = 205,010,930.31
  5. Step 5: Solve for x
    x = 205,010,930.31/16,289.73
  6. Step 6: Final answer
    x = 12,585.29

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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.