Home / 8,247.36-12,371.04-6,782.07

Finding the Fourth Proportional to 8,247.36, 12,371.04 and 6,782.07

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Solution

The fourth proportional to 8,247.36, 12,371.04 and 6,782.07 is: 10,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.36 : 12,371.04 = 6,782.07 : x
  2. Step 2: Convert to fraction form
    8,247.36/12,371.04 = 6,782.07/x
  3. Step 3: Cross multiply
    8,247.36x = 12,371.04 × 6,782.07
  4. Step 4: Simplify right side
    8,247.36x = 83,901,259.25
  5. Step 5: Solve for x
    x = 83,901,259.25/8,247.36
  6. Step 6: Final answer
    x = 10,173.11

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Similar ratio
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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.