Home / 10,812.08-16,206.90-5,871.20

Finding the Fourth Proportional to 10,812.08, 16,206.90 and 5,871.20

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Solution

The fourth proportional to 10,812.08, 16,206.90 and 5,871.20 is: 8,800.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.08 : 16,206.90 = 5,871.20 : x
  2. Step 2: Convert to fraction form
    10,812.08/16,206.90 = 5,871.20/x
  3. Step 3: Cross multiply
    10,812.08x = 16,206.90 × 5,871.20
  4. Step 4: Simplify right side
    10,812.08x = 95,153,951.28
  5. Step 5: Solve for x
    x = 95,153,951.28/10,812.08
  6. Step 6: Final answer
    x = 8,800.71

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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.