Home / 11,030.80-15,212.17-8,508.97

Finding the Fourth Proportional to 11,030.80, 15,212.17 and 8,508.97

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Solution

The fourth proportional to 11,030.80, 15,212.17 and 8,508.97 is: 11,734.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.80 : 15,212.17 = 8,508.97 : x
  2. Step 2: Convert to fraction form
    11,030.80/15,212.17 = 8,508.97/x
  3. Step 3: Cross multiply
    11,030.80x = 15,212.17 × 8,508.97
  4. Step 4: Simplify right side
    11,030.80x = 129,439,898.16
  5. Step 5: Solve for x
    x = 129,439,898.16/11,030.80
  6. Step 6: Final answer
    x = 11,734.41

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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.