Home / 10,589.60-14,614.26-6,399.20

Finding the Fourth Proportional to 10,589.60, 14,614.26 and 6,399.20

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Solution

The fourth proportional to 10,589.60, 14,614.26 and 6,399.20 is: 8,831.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,589.60 : 14,614.26 = 6,399.20 : x
  2. Step 2: Convert to fraction form
    10,589.60/14,614.26 = 6,399.20/x
  3. Step 3: Cross multiply
    10,589.60x = 14,614.26 × 6,399.20
  4. Step 4: Simplify right side
    10,589.60x = 93,519,585.13
  5. Step 5: Solve for x
    x = 93,519,585.13/10,589.60
  6. Step 6: Final answer
    x = 8,831.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.