Home / 17,319.20-23,872.44-13,535.76

Finding the Fourth Proportional to 17,319.20, 23,872.44 and 13,535.76

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Solution

The fourth proportional to 17,319.20, 23,872.44 and 13,535.76 is: 18,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,319.20 : 23,872.44 = 13,535.76 : x
  2. Step 2: Convert to fraction form
    17,319.20/23,872.44 = 13,535.76/x
  3. Step 3: Cross multiply
    17,319.20x = 23,872.44 × 13,535.76
  4. Step 4: Simplify right side
    17,319.20x = 323,131,618.45
  5. Step 5: Solve for x
    x = 323,131,618.45/17,319.20
  6. Step 6: Final answer
    x = 18,657.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.