Home / 18,132.20-25,033.86-14,782.91

Finding the Fourth Proportional to 18,132.20, 25,033.86 and 14,782.91

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Solution

The fourth proportional to 18,132.20, 25,033.86 and 14,782.91 is: 20,409.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.20 : 25,033.86 = 14,782.91 : x
  2. Step 2: Convert to fraction form
    18,132.20/25,033.86 = 14,782.91/x
  3. Step 3: Cross multiply
    18,132.20x = 25,033.86 × 14,782.91
  4. Step 4: Simplify right side
    18,132.20x = 370,073,174.16
  5. Step 5: Solve for x
    x = 370,073,174.16/18,132.20
  6. Step 6: Final answer
    x = 20,409.72

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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.