Home / 11,126.97-16,686.27-4,106.16

Finding the Fourth Proportional to 11,126.97, 16,686.27 and 4,106.16

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Solution

The fourth proportional to 11,126.97, 16,686.27 and 4,106.16 is: 6,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.97 : 16,686.27 = 4,106.16 : x
  2. Step 2: Convert to fraction form
    11,126.97/16,686.27 = 4,106.16/x
  3. Step 3: Cross multiply
    11,126.97x = 16,686.27 × 4,106.16
  4. Step 4: Simplify right side
    11,126.97x = 68,516,494.42
  5. Step 5: Solve for x
    x = 68,516,494.42/11,126.97
  6. Step 6: Final answer
    x = 6,157.70

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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.