Home / 10,360.60-15,535.23-8,162.80

Finding the Fourth Proportional to 10,360.60, 15,535.23 and 8,162.80

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Solution

The fourth proportional to 10,360.60, 15,535.23 and 8,162.80 is: 12,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360.60 : 15,535.23 = 8,162.80 : x
  2. Step 2: Convert to fraction form
    10,360.60/15,535.23 = 8,162.80/x
  3. Step 3: Cross multiply
    10,360.60x = 15,535.23 × 8,162.80
  4. Step 4: Simplify right side
    10,360.60x = 126,810,975.44
  5. Step 5: Solve for x
    x = 126,810,975.44/10,360.60
  6. Step 6: Final answer
    x = 12,239.73

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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.