Home / 15,765.43-23,650.58-5,374.75

Finding the Fourth Proportional to 15,765.43, 23,650.58 and 5,374.75

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Solution

The fourth proportional to 15,765.43, 23,650.58 and 5,374.75 is: 8,062.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765.43 : 23,650.58 = 5,374.75 : x
  2. Step 2: Convert to fraction form
    15,765.43/23,650.58 = 5,374.75/x
  3. Step 3: Cross multiply
    15,765.43x = 23,650.58 × 5,374.75
  4. Step 4: Simplify right side
    15,765.43x = 127,115,927.98
  5. Step 5: Solve for x
    x = 127,115,927.98/15,765.43
  6. Step 6: Final answer
    x = 8,062.95

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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.