Home / 11,341.74-17,006.49-8,702.72

Finding the Fourth Proportional to 11,341.74, 17,006.49 and 8,702.72

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Solution

The fourth proportional to 11,341.74, 17,006.49 and 8,702.72 is: 13,049.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,341.74 : 17,006.49 = 8,702.72 : x
  2. Step 2: Convert to fraction form
    11,341.74/17,006.49 = 8,702.72/x
  3. Step 3: Cross multiply
    11,341.74x = 17,006.49 × 8,702.72
  4. Step 4: Simplify right side
    11,341.74x = 148,002,635.62
  5. Step 5: Solve for x
    x = 148,002,635.62/11,341.74
  6. Step 6: Final answer
    x = 13,049.38

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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.