Home / 8,725.32-13,073.40-6,115.50

Finding the Fourth Proportional to 8,725.32, 13,073.40 and 6,115.50

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Solution

The fourth proportional to 8,725.32, 13,073.40 and 6,115.50 is: 9,163.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.32 : 13,073.40 = 6,115.50 : x
  2. Step 2: Convert to fraction form
    8,725.32/13,073.40 = 6,115.50/x
  3. Step 3: Cross multiply
    8,725.32x = 13,073.40 × 6,115.50
  4. Step 4: Simplify right side
    8,725.32x = 79,950,377.70
  5. Step 5: Solve for x
    x = 79,950,377.70/8,725.32
  6. Step 6: Final answer
    x = 9,163.03

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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.