Home / 12,057.12-18,082.80-4,658.88

Finding the Fourth Proportional to 12,057.12, 18,082.80 and 4,658.88

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Solution

The fourth proportional to 12,057.12, 18,082.80 and 4,658.88 is: 6,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057.12 : 18,082.80 = 4,658.88 : x
  2. Step 2: Convert to fraction form
    12,057.12/18,082.80 = 4,658.88/x
  3. Step 3: Cross multiply
    12,057.12x = 18,082.80 × 4,658.88
  4. Step 4: Simplify right side
    12,057.12x = 84,245,595.26
  5. Step 5: Solve for x
    x = 84,245,595.26/12,057.12
  6. Step 6: Final answer
    x = 6,987.21

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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.