Home / 11,545.32-16,040.01-11,407.08

Finding the Fourth Proportional to 11,545.32, 16,040.01 and 11,407.08

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Solution

The fourth proportional to 11,545.32, 16,040.01 and 11,407.08 is: 15,847.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.32 : 16,040.01 = 11,407.08 : x
  2. Step 2: Convert to fraction form
    11,545.32/16,040.01 = 11,407.08/x
  3. Step 3: Cross multiply
    11,545.32x = 16,040.01 × 11,407.08
  4. Step 4: Simplify right side
    11,545.32x = 182,969,677.27
  5. Step 5: Solve for x
    x = 182,969,677.27/11,545.32
  6. Step 6: Final answer
    x = 15,847.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.