Home / 10,808.24-16,209.45-4,143.29

Finding the Fourth Proportional to 10,808.24, 16,209.45 and 4,143.29

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Solution

The fourth proportional to 10,808.24, 16,209.45 and 4,143.29 is: 6,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.24 : 16,209.45 = 4,143.29 : x
  2. Step 2: Convert to fraction form
    10,808.24/16,209.45 = 4,143.29/x
  3. Step 3: Cross multiply
    10,808.24x = 16,209.45 × 4,143.29
  4. Step 4: Simplify right side
    10,808.24x = 67,160,371.04
  5. Step 5: Solve for x
    x = 67,160,371.04/10,808.24
  6. Step 6: Final answer
    x = 6,213.81

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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.