Home / 15,885.34-23,820.30-4,789.96

Finding the Fourth Proportional to 15,885.34, 23,820.30 and 4,789.96

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Solution

The fourth proportional to 15,885.34, 23,820.30 and 4,789.96 is: 7,182.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.34 : 23,820.30 = 4,789.96 : x
  2. Step 2: Convert to fraction form
    15,885.34/23,820.30 = 4,789.96/x
  3. Step 3: Cross multiply
    15,885.34x = 23,820.30 × 4,789.96
  4. Step 4: Simplify right side
    15,885.34x = 114,098,177.06
  5. Step 5: Solve for x
    x = 114,098,177.06/15,885.34
  6. Step 6: Final answer
    x = 7,182.61

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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.