Home / 9,987.22-14,976.48-5,306.20

Finding the Fourth Proportional to 9,987.22, 14,976.48 and 5,306.20

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Solution

The fourth proportional to 9,987.22, 14,976.48 and 5,306.20 is: 7,956.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987.22 : 14,976.48 = 5,306.20 : x
  2. Step 2: Convert to fraction form
    9,987.22/14,976.48 = 5,306.20/x
  3. Step 3: Cross multiply
    9,987.22x = 14,976.48 × 5,306.20
  4. Step 4: Simplify right side
    9,987.22x = 79,468,198.18
  5. Step 5: Solve for x
    x = 79,468,198.18/9,987.22
  6. Step 6: Final answer
    x = 7,956.99

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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.