Home / 10,700.55-16,049.49-4,122.03

Finding the Fourth Proportional to 10,700.55, 16,049.49 and 4,122.03

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Solution

The fourth proportional to 10,700.55, 16,049.49 and 4,122.03 is: 6,182.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,700.55 : 16,049.49 = 4,122.03 : x
  2. Step 2: Convert to fraction form
    10,700.55/16,049.49 = 4,122.03/x
  3. Step 3: Cross multiply
    10,700.55x = 16,049.49 × 4,122.03
  4. Step 4: Simplify right side
    10,700.55x = 66,156,479.26
  5. Step 5: Solve for x
    x = 66,156,479.26/10,700.55
  6. Step 6: Final answer
    x = 6,182.53

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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.