Home / 13,245.92-19,865.77-4,929.85

Finding the Fourth Proportional to 13,245.92, 19,865.77 and 4,929.85

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Solution

The fourth proportional to 13,245.92, 19,865.77 and 4,929.85 is: 7,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.92 : 19,865.77 = 4,929.85 : x
  2. Step 2: Convert to fraction form
    13,245.92/19,865.77 = 4,929.85/x
  3. Step 3: Cross multiply
    13,245.92x = 19,865.77 × 4,929.85
  4. Step 4: Simplify right side
    13,245.92x = 97,935,278.74
  5. Step 5: Solve for x
    x = 97,935,278.74/13,245.92
  6. Step 6: Final answer
    x = 7,393.62

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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.