Home / 11,685.40-17,503.18-9,454.66

Finding the Fourth Proportional to 11,685.40, 17,503.18 and 9,454.66

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Solution

The fourth proportional to 11,685.40, 17,503.18 and 9,454.66 is: 14,161.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685.40 : 17,503.18 = 9,454.66 : x
  2. Step 2: Convert to fraction form
    11,685.40/17,503.18 = 9,454.66/x
  3. Step 3: Cross multiply
    11,685.40x = 17,503.18 × 9,454.66
  4. Step 4: Simplify right side
    11,685.40x = 165,486,615.82
  5. Step 5: Solve for x
    x = 165,486,615.82/11,685.40
  6. Step 6: Final answer
    x = 14,161.83

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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.