Home / 14,658.39-21,987.59-4,128.41

Finding the Fourth Proportional to 14,658.39, 21,987.59 and 4,128.41

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Solution

The fourth proportional to 14,658.39, 21,987.59 and 4,128.41 is: 6,192.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658.39 : 21,987.59 = 4,128.41 : x
  2. Step 2: Convert to fraction form
    14,658.39/21,987.59 = 4,128.41/x
  3. Step 3: Cross multiply
    14,658.39x = 21,987.59 × 4,128.41
  4. Step 4: Simplify right side
    14,658.39x = 90,773,786.43
  5. Step 5: Solve for x
    x = 90,773,786.43/14,658.39
  6. Step 6: Final answer
    x = 6,192.62

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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.