Home / 8,481.24-11,678.04-7,360.20

Finding the Fourth Proportional to 8,481.24, 11,678.04 and 7,360.20

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Solution

The fourth proportional to 8,481.24, 11,678.04 and 7,360.20 is: 10,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.24 : 11,678.04 = 7,360.20 : x
  2. Step 2: Convert to fraction form
    8,481.24/11,678.04 = 7,360.20/x
  3. Step 3: Cross multiply
    8,481.24x = 11,678.04 × 7,360.20
  4. Step 4: Simplify right side
    8,481.24x = 85,952,710.01
  5. Step 5: Solve for x
    x = 85,952,710.01/8,481.24
  6. Step 6: Final answer
    x = 10,134.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.