Home / 9,759.20-14,612.80-5,132.48

Finding the Fourth Proportional to 9,759.20, 14,612.80 and 5,132.48

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Solution

The fourth proportional to 9,759.20, 14,612.80 and 5,132.48 is: 7,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,759.20 : 14,612.80 = 5,132.48 : x
  2. Step 2: Convert to fraction form
    9,759.20/14,612.80 = 5,132.48/x
  3. Step 3: Cross multiply
    9,759.20x = 14,612.80 × 5,132.48
  4. Step 4: Simplify right side
    9,759.20x = 74,999,903.74
  5. Step 5: Solve for x
    x = 74,999,903.74/9,759.20
  6. Step 6: Final answer
    x = 7,685.05

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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.