Home / 15,991.98-23,987.43-4,304.76

Finding the Fourth Proportional to 15,991.98, 23,987.43 and 4,304.76

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Solution

The fourth proportional to 15,991.98, 23,987.43 and 4,304.76 is: 6,456.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,991.98 : 23,987.43 = 4,304.76 : x
  2. Step 2: Convert to fraction form
    15,991.98/23,987.43 = 4,304.76/x
  3. Step 3: Cross multiply
    15,991.98x = 23,987.43 × 4,304.76
  4. Step 4: Simplify right side
    15,991.98x = 103,260,129.17
  5. Step 5: Solve for x
    x = 103,260,129.17/15,991.98
  6. Step 6: Final answer
    x = 6,456.99

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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.