Home / 14,400.32-21,551.52-9,132.80

Finding the Fourth Proportional to 14,400.32, 21,551.52 and 9,132.80

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Solution

The fourth proportional to 14,400.32, 21,551.52 and 9,132.80 is: 13,668.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.32 : 21,551.52 = 9,132.80 : x
  2. Step 2: Convert to fraction form
    14,400.32/21,551.52 = 9,132.80/x
  3. Step 3: Cross multiply
    14,400.32x = 21,551.52 × 9,132.80
  4. Step 4: Simplify right side
    14,400.32x = 196,825,721.86
  5. Step 5: Solve for x
    x = 196,825,721.86/14,400.32
  6. Step 6: Final answer
    x = 13,668.15

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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.