Home / 15,656.15-23,484.20-3,809.85

Finding the Fourth Proportional to 15,656.15, 23,484.20 and 3,809.85

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Solution

The fourth proportional to 15,656.15, 23,484.20 and 3,809.85 is: 5,714.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,656.15 : 23,484.20 = 3,809.85 : x
  2. Step 2: Convert to fraction form
    15,656.15/23,484.20 = 3,809.85/x
  3. Step 3: Cross multiply
    15,656.15x = 23,484.20 × 3,809.85
  4. Step 4: Simplify right side
    15,656.15x = 89,471,161.95
  5. Step 5: Solve for x
    x = 89,471,161.95/15,656.15
  6. Step 6: Final answer
    x = 5,714.76

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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.