Home / 15,089.10-20,833.11-11,545.98

Finding the Fourth Proportional to 15,089.10, 20,833.11 and 11,545.98

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Solution

The fourth proportional to 15,089.10, 20,833.11 and 11,545.98 is: 15,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,089.10 : 20,833.11 = 11,545.98 : x
  2. Step 2: Convert to fraction form
    15,089.10/20,833.11 = 11,545.98/x
  3. Step 3: Cross multiply
    15,089.10x = 20,833.11 × 11,545.98
  4. Step 4: Simplify right side
    15,089.10x = 240,538,671.40
  5. Step 5: Solve for x
    x = 240,538,671.40/15,089.10
  6. Step 6: Final answer
    x = 15,941.22

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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.