Home / 15,309.76-22,961.61-4,213.58

Finding the Fourth Proportional to 15,309.76, 22,961.61 and 4,213.58

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Solution

The fourth proportional to 15,309.76, 22,961.61 and 4,213.58 is: 6,319.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309.76 : 22,961.61 = 4,213.58 : x
  2. Step 2: Convert to fraction form
    15,309.76/22,961.61 = 4,213.58/x
  3. Step 3: Cross multiply
    15,309.76x = 22,961.61 × 4,213.58
  4. Step 4: Simplify right side
    15,309.76x = 96,750,580.66
  5. Step 5: Solve for x
    x = 96,750,580.66/15,309.76
  6. Step 6: Final answer
    x = 6,319.54

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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.