Home / 12,370.44-18,538.84-6,815.46

Finding the Fourth Proportional to 12,370.44, 18,538.84 and 6,815.46

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Solution

The fourth proportional to 12,370.44, 18,538.84 and 6,815.46 is: 10,213.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.44 : 18,538.84 = 6,815.46 : x
  2. Step 2: Convert to fraction form
    12,370.44/18,538.84 = 6,815.46/x
  3. Step 3: Cross multiply
    12,370.44x = 18,538.84 × 6,815.46
  4. Step 4: Simplify right side
    12,370.44x = 126,350,722.47
  5. Step 5: Solve for x
    x = 126,350,722.47/12,370.44
  6. Step 6: Final answer
    x = 10,213.92

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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.