Home / 14,658.53-21,987.80-3,565.15

Finding the Fourth Proportional to 14,658.53, 21,987.80 and 3,565.15

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Solution

The fourth proportional to 14,658.53, 21,987.80 and 3,565.15 is: 5,347.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658.53 : 21,987.80 = 3,565.15 : x
  2. Step 2: Convert to fraction form
    14,658.53/21,987.80 = 3,565.15/x
  3. Step 3: Cross multiply
    14,658.53x = 21,987.80 × 3,565.15
  4. Step 4: Simplify right side
    14,658.53x = 78,389,759.11
  5. Step 5: Solve for x
    x = 78,389,759.11/14,658.53
  6. Step 6: Final answer
    x = 5,347.72

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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.