Home / 15,910.06-23,865.45-5,521.78

Finding the Fourth Proportional to 15,910.06, 23,865.45 and 5,521.78

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Solution

The fourth proportional to 15,910.06, 23,865.45 and 5,521.78 is: 8,282.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,910.06 : 23,865.45 = 5,521.78 : x
  2. Step 2: Convert to fraction form
    15,910.06/23,865.45 = 5,521.78/x
  3. Step 3: Cross multiply
    15,910.06x = 23,865.45 × 5,521.78
  4. Step 4: Simplify right side
    15,910.06x = 131,779,764.50
  5. Step 5: Solve for x
    x = 131,779,764.50/15,910.06
  6. Step 6: Final answer
    x = 8,282.79

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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.