Home / 10,869.92-16,304.88-3,077.76

Finding the Fourth Proportional to 10,869.92, 16,304.88 and 3,077.76

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Solution

The fourth proportional to 10,869.92, 16,304.88 and 3,077.76 is: 4,616.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.92 : 16,304.88 = 3,077.76 : x
  2. Step 2: Convert to fraction form
    10,869.92/16,304.88 = 3,077.76/x
  3. Step 3: Cross multiply
    10,869.92x = 16,304.88 × 3,077.76
  4. Step 4: Simplify right side
    10,869.92x = 50,182,507.47
  5. Step 5: Solve for x
    x = 50,182,507.47/10,869.92
  6. Step 6: Final answer
    x = 4,616.64

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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.