Home / 15,475.82-23,190.97-9,144.18

Finding the Fourth Proportional to 15,475.82, 23,190.97 and 9,144.18

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Solution

The fourth proportional to 15,475.82, 23,190.97 and 9,144.18 is: 13,702.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475.82 : 23,190.97 = 9,144.18 : x
  2. Step 2: Convert to fraction form
    15,475.82/23,190.97 = 9,144.18/x
  3. Step 3: Cross multiply
    15,475.82x = 23,190.97 × 9,144.18
  4. Step 4: Simplify right side
    15,475.82x = 212,062,525.34
  5. Step 5: Solve for x
    x = 212,062,525.34/15,475.82
  6. Step 6: Final answer
    x = 13,702.83

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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.