Home / 12,049.80-18,063.76-4,659.20

Finding the Fourth Proportional to 12,049.80, 18,063.76 and 4,659.20

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Solution

The fourth proportional to 12,049.80, 18,063.76 and 4,659.20 is: 6,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.80 : 18,063.76 = 4,659.20 : x
  2. Step 2: Convert to fraction form
    12,049.80/18,063.76 = 4,659.20/x
  3. Step 3: Cross multiply
    12,049.80x = 18,063.76 × 4,659.20
  4. Step 4: Simplify right side
    12,049.80x = 84,162,670.59
  5. Step 5: Solve for x
    x = 84,162,670.59/12,049.80
  6. Step 6: Final answer
    x = 6,984.57

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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.