Home / 15,131.20-22,694.10-9,574.60

Finding the Fourth Proportional to 15,131.20, 22,694.10 and 9,574.60

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Solution

The fourth proportional to 15,131.20, 22,694.10 and 9,574.60 is: 14,360.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,131.20 : 22,694.10 = 9,574.60 : x
  2. Step 2: Convert to fraction form
    15,131.20/22,694.10 = 9,574.60/x
  3. Step 3: Cross multiply
    15,131.20x = 22,694.10 × 9,574.60
  4. Step 4: Simplify right side
    15,131.20x = 217,286,929.86
  5. Step 5: Solve for x
    x = 217,286,929.86/15,131.20
  6. Step 6: Final answer
    x = 14,360.19

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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.