Home / 8,468.28-12,686.58-7,553.16

Finding the Fourth Proportional to 8,468.28, 12,686.58 and 7,553.16

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Solution

The fourth proportional to 8,468.28, 12,686.58 and 7,553.16 is: 11,315.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.28 : 12,686.58 = 7,553.16 : x
  2. Step 2: Convert to fraction form
    8,468.28/12,686.58 = 7,553.16/x
  3. Step 3: Cross multiply
    8,468.28x = 12,686.58 × 7,553.16
  4. Step 4: Simplify right side
    8,468.28x = 95,823,768.59
  5. Step 5: Solve for x
    x = 95,823,768.59/8,468.28
  6. Step 6: Final answer
    x = 11,315.61

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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.