Home / 11,031.57-15,222.77-6,251.61

Finding the Fourth Proportional to 11,031.57, 15,222.77 and 6,251.61

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Solution

The fourth proportional to 11,031.57, 15,222.77 and 6,251.61 is: 8,626.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.57 : 15,222.77 = 6,251.61 : x
  2. Step 2: Convert to fraction form
    11,031.57/15,222.77 = 6,251.61/x
  3. Step 3: Cross multiply
    11,031.57x = 15,222.77 × 6,251.61
  4. Step 4: Simplify right side
    11,031.57x = 95,166,821.16
  5. Step 5: Solve for x
    x = 95,166,821.16/11,031.57
  6. Step 6: Final answer
    x = 8,626.77

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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.