Home / 11,073.15-15,271.20-8,711.19

Finding the Fourth Proportional to 11,073.15, 15,271.20 and 8,711.19

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Solution

The fourth proportional to 11,073.15, 15,271.20 and 8,711.19 is: 12,013.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,073.15 : 15,271.20 = 8,711.19 : x
  2. Step 2: Convert to fraction form
    11,073.15/15,271.20 = 8,711.19/x
  3. Step 3: Cross multiply
    11,073.15x = 15,271.20 × 8,711.19
  4. Step 4: Simplify right side
    11,073.15x = 133,030,324.73
  5. Step 5: Solve for x
    x = 133,030,324.73/11,073.15
  6. Step 6: Final answer
    x = 12,013.77

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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.