Home / 15,324.80-22,987.18-13,400.24

Finding the Fourth Proportional to 15,324.80, 22,987.18 and 13,400.24

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Solution

The fourth proportional to 15,324.80, 22,987.18 and 13,400.24 is: 20,100.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,324.80 : 22,987.18 = 13,400.24 : x
  2. Step 2: Convert to fraction form
    15,324.80/22,987.18 = 13,400.24/x
  3. Step 3: Cross multiply
    15,324.80x = 22,987.18 × 13,400.24
  4. Step 4: Simplify right side
    15,324.80x = 308,033,728.92
  5. Step 5: Solve for x
    x = 308,033,728.92/15,324.80
  6. Step 6: Final answer
    x = 20,100.34

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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.