Home / 11,689.11-17,560.80-11,059.74

Finding the Fourth Proportional to 11,689.11, 17,560.80 and 11,059.74

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Solution

The fourth proportional to 11,689.11, 17,560.80 and 11,059.74 is: 16,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689.11 : 17,560.80 = 11,059.74 : x
  2. Step 2: Convert to fraction form
    11,689.11/17,560.80 = 11,059.74/x
  3. Step 3: Cross multiply
    11,689.11x = 17,560.80 × 11,059.74
  4. Step 4: Simplify right side
    11,689.11x = 194,217,882.19
  5. Step 5: Solve for x
    x = 194,217,882.19/11,689.11
  6. Step 6: Final answer
    x = 16,615.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.