Home / 15,540.12-23,319.90-6,306.12

Finding the Fourth Proportional to 15,540.12, 23,319.90 and 6,306.12

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Solution

The fourth proportional to 15,540.12, 23,319.90 and 6,306.12 is: 9,463.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540.12 : 23,319.90 = 6,306.12 : x
  2. Step 2: Convert to fraction form
    15,540.12/23,319.90 = 6,306.12/x
  3. Step 3: Cross multiply
    15,540.12x = 23,319.90 × 6,306.12
  4. Step 4: Simplify right side
    15,540.12x = 147,058,087.79
  5. Step 5: Solve for x
    x = 147,058,087.79/15,540.12
  6. Step 6: Final answer
    x = 9,463.12

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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.