Home / 15,228.20-22,734.57-13,642.63

Finding the Fourth Proportional to 15,228.20, 22,734.57 and 13,642.63

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Solution

The fourth proportional to 15,228.20, 22,734.57 and 13,642.63 is: 20,367.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,228.20 : 22,734.57 = 13,642.63 : x
  2. Step 2: Convert to fraction form
    15,228.20/22,734.57 = 13,642.63/x
  3. Step 3: Cross multiply
    15,228.20x = 22,734.57 × 13,642.63
  4. Step 4: Simplify right side
    15,228.20x = 310,159,321.04
  5. Step 5: Solve for x
    x = 310,159,321.04/15,228.20
  6. Step 6: Final answer
    x = 20,367.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.