Home / 10,949.46-16,430.76-4,374.66

Finding the Fourth Proportional to 10,949.46, 16,430.76 and 4,374.66

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Solution

The fourth proportional to 10,949.46, 16,430.76 and 4,374.66 is: 6,564.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.46 : 16,430.76 = 4,374.66 : x
  2. Step 2: Convert to fraction form
    10,949.46/16,430.76 = 4,374.66/x
  3. Step 3: Cross multiply
    10,949.46x = 16,430.76 × 4,374.66
  4. Step 4: Simplify right side
    10,949.46x = 71,878,988.54
  5. Step 5: Solve for x
    x = 71,878,988.54/10,949.46
  6. Step 6: Final answer
    x = 6,564.61

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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.