Home / 16,545.20-22,810.02-11,230.79

Finding the Fourth Proportional to 16,545.20, 22,810.02 and 11,230.79

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Solution

The fourth proportional to 16,545.20, 22,810.02 and 11,230.79 is: 15,483.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,545.20 : 22,810.02 = 11,230.79 : x
  2. Step 2: Convert to fraction form
    16,545.20/22,810.02 = 11,230.79/x
  3. Step 3: Cross multiply
    16,545.20x = 22,810.02 × 11,230.79
  4. Step 4: Simplify right side
    16,545.20x = 256,174,473.89
  5. Step 5: Solve for x
    x = 256,174,473.89/16,545.20
  6. Step 6: Final answer
    x = 15,483.31

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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.