Home / 10,880.39-16,319.68-4,304.81

Finding the Fourth Proportional to 10,880.39, 16,319.68 and 4,304.81

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Solution

The fourth proportional to 10,880.39, 16,319.68 and 4,304.81 is: 6,456.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.39 : 16,319.68 = 4,304.81 : x
  2. Step 2: Convert to fraction form
    10,880.39/16,319.68 = 4,304.81/x
  3. Step 3: Cross multiply
    10,880.39x = 16,319.68 × 4,304.81
  4. Step 4: Simplify right side
    10,880.39x = 70,253,151.70
  5. Step 5: Solve for x
    x = 70,253,151.70/10,880.39
  6. Step 6: Final answer
    x = 6,456.86

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1.5x scale

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.