Home / 9,660.47-14,479.56-4,387.57

Finding the Fourth Proportional to 9,660.47, 14,479.56 and 4,387.57

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Solution

The fourth proportional to 9,660.47, 14,479.56 and 4,387.57 is: 6,576.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.47 : 14,479.56 = 4,387.57 : x
  2. Step 2: Convert to fraction form
    9,660.47/14,479.56 = 4,387.57/x
  3. Step 3: Cross multiply
    9,660.47x = 14,479.56 × 4,387.57
  4. Step 4: Simplify right side
    9,660.47x = 63,530,046.87
  5. Step 5: Solve for x
    x = 63,530,046.87/9,660.47
  6. Step 6: Final answer
    x = 6,576.29

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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.