Home / 15,142.45-22,717.46-14,891.31

Finding the Fourth Proportional to 15,142.45, 22,717.46 and 14,891.31

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Solution

The fourth proportional to 15,142.45, 22,717.46 and 14,891.31 is: 22,340.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,142.45 : 22,717.46 = 14,891.31 : x
  2. Step 2: Convert to fraction form
    15,142.45/22,717.46 = 14,891.31/x
  3. Step 3: Cross multiply
    15,142.45x = 22,717.46 × 14,891.31
  4. Step 4: Simplify right side
    15,142.45x = 338,292,739.27
  5. Step 5: Solve for x
    x = 338,292,739.27/15,142.45
  6. Step 6: Final answer
    x = 22,340.69

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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.