Home / 12,167.55-18,251.33-4,376.97

Finding the Fourth Proportional to 12,167.55, 18,251.33 and 4,376.97

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Solution

The fourth proportional to 12,167.55, 18,251.33 and 4,376.97 is: 6,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.55 : 18,251.33 = 4,376.97 : x
  2. Step 2: Convert to fraction form
    12,167.55/18,251.33 = 4,376.97/x
  3. Step 3: Cross multiply
    12,167.55x = 18,251.33 × 4,376.97
  4. Step 4: Simplify right side
    12,167.55x = 79,885,501.99
  5. Step 5: Solve for x
    x = 79,885,501.99/12,167.55
  6. Step 6: Final answer
    x = 6,565.46

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Similar ratio
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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.