Home / 10,871.52-16,310.16-4,631.76

Finding the Fourth Proportional to 10,871.52, 16,310.16 and 4,631.76

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Solution

The fourth proportional to 10,871.52, 16,310.16 and 4,631.76 is: 6,948.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.52 : 16,310.16 = 4,631.76 : x
  2. Step 2: Convert to fraction form
    10,871.52/16,310.16 = 4,631.76/x
  3. Step 3: Cross multiply
    10,871.52x = 16,310.16 × 4,631.76
  4. Step 4: Simplify right side
    10,871.52x = 75,544,746.68
  5. Step 5: Solve for x
    x = 75,544,746.68/10,871.52
  6. Step 6: Final answer
    x = 6,948.87

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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.