Home / 15,382.80-22,943.00-15,116.38

Finding the Fourth Proportional to 15,382.80, 22,943.00 and 15,116.38

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Solution

The fourth proportional to 15,382.80, 22,943.00 and 15,116.38 is: 22,545.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,382.80 : 22,943.00 = 15,116.38 : x
  2. Step 2: Convert to fraction form
    15,382.80/22,943.00 = 15,116.38/x
  3. Step 3: Cross multiply
    15,382.80x = 22,943.00 × 15,116.38
  4. Step 4: Simplify right side
    15,382.80x = 346,815,086.77
  5. Step 5: Solve for x
    x = 346,815,086.77/15,382.80
  6. Step 6: Final answer
    x = 22,545.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.