Home / 11,002.92-15,168.84-10,658.28

Finding the Fourth Proportional to 11,002.92, 15,168.84 and 10,658.28

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Solution

The fourth proportional to 11,002.92, 15,168.84 and 10,658.28 is: 14,693.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,002.92 : 15,168.84 = 10,658.28 : x
  2. Step 2: Convert to fraction form
    11,002.92/15,168.84 = 10,658.28/x
  3. Step 3: Cross multiply
    11,002.92x = 15,168.84 × 10,658.28
  4. Step 4: Simplify right side
    11,002.92x = 161,673,744.00
  5. Step 5: Solve for x
    x = 161,673,744.00/11,002.92
  6. Step 6: Final answer
    x = 14,693.71

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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.