Home / 13,525.26-20,278.17-5,729.82

Finding the Fourth Proportional to 13,525.26, 20,278.17 and 5,729.82

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Solution

The fourth proportional to 13,525.26, 20,278.17 and 5,729.82 is: 8,590.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.26 : 20,278.17 = 5,729.82 : x
  2. Step 2: Convert to fraction form
    13,525.26/20,278.17 = 5,729.82/x
  3. Step 3: Cross multiply
    13,525.26x = 20,278.17 × 5,729.82
  4. Step 4: Simplify right side
    13,525.26x = 116,190,264.03
  5. Step 5: Solve for x
    x = 116,190,264.03/13,525.26
  6. Step 6: Final answer
    x = 8,590.61

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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.