Home / 8,712.44-13,061.36-6,072.20

Finding the Fourth Proportional to 8,712.44, 13,061.36 and 6,072.20

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Solution

The fourth proportional to 8,712.44, 13,061.36 and 6,072.20 is: 9,103.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.44 : 13,061.36 = 6,072.20 : x
  2. Step 2: Convert to fraction form
    8,712.44/13,061.36 = 6,072.20/x
  3. Step 3: Cross multiply
    8,712.44x = 13,061.36 × 6,072.20
  4. Step 4: Simplify right side
    8,712.44x = 79,311,189.05
  5. Step 5: Solve for x
    x = 79,311,189.05/8,712.44
  6. Step 6: Final answer
    x = 9,103.21

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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.