Home / 8,340.18-12,524.59-7,405.24

Finding the Fourth Proportional to 8,340.18, 12,524.59 and 7,405.24

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Solution

The fourth proportional to 8,340.18, 12,524.59 and 7,405.24 is: 11,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.18 : 12,524.59 = 7,405.24 : x
  2. Step 2: Convert to fraction form
    8,340.18/12,524.59 = 7,405.24/x
  3. Step 3: Cross multiply
    8,340.18x = 12,524.59 × 7,405.24
  4. Step 4: Simplify right side
    8,340.18x = 92,747,594.85
  5. Step 5: Solve for x
    x = 92,747,594.85/8,340.18
  6. Step 6: Final answer
    x = 11,120.57

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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.