Home / 17,515.85-24,171.90-9,961.98

Finding the Fourth Proportional to 17,515.85, 24,171.90 and 9,961.98

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Solution

The fourth proportional to 17,515.85, 24,171.90 and 9,961.98 is: 13,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.85 : 24,171.90 = 9,961.98 : x
  2. Step 2: Convert to fraction form
    17,515.85/24,171.90 = 9,961.98/x
  3. Step 3: Cross multiply
    17,515.85x = 24,171.90 × 9,961.98
  4. Step 4: Simplify right side
    17,515.85x = 240,799,984.36
  5. Step 5: Solve for x
    x = 240,799,984.36/17,515.85
  6. Step 6: Final answer
    x = 13,747.55

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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.