Home / 8,264.70-12,371.13-6,172.74

Finding the Fourth Proportional to 8,264.70, 12,371.13 and 6,172.74

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Solution

The fourth proportional to 8,264.70, 12,371.13 and 6,172.74 is: 9,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.70 : 12,371.13 = 6,172.74 : x
  2. Step 2: Convert to fraction form
    8,264.70/12,371.13 = 6,172.74/x
  3. Step 3: Cross multiply
    8,264.70x = 12,371.13 × 6,172.74
  4. Step 4: Simplify right side
    8,264.70x = 76,363,769.00
  5. Step 5: Solve for x
    x = 76,363,769.00/8,264.70
  6. Step 6: Final answer
    x = 9,239.75

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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.