Home / 9,614.28-14,422.20-2,688.78

Finding the Fourth Proportional to 9,614.28, 14,422.20 and 2,688.78

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Solution

The fourth proportional to 9,614.28, 14,422.20 and 2,688.78 is: 4,033.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,614.28 : 14,422.20 = 2,688.78 : x
  2. Step 2: Convert to fraction form
    9,614.28/14,422.20 = 2,688.78/x
  3. Step 3: Cross multiply
    9,614.28x = 14,422.20 × 2,688.78
  4. Step 4: Simplify right side
    9,614.28x = 38,778,122.92
  5. Step 5: Solve for x
    x = 38,778,122.92/9,614.28
  6. Step 6: Final answer
    x = 4,033.39

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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.