Home / 11,512.56-17,269.80-4,116.72

Finding the Fourth Proportional to 11,512.56, 17,269.80 and 4,116.72

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Solution

The fourth proportional to 11,512.56, 17,269.80 and 4,116.72 is: 6,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512.56 : 17,269.80 = 4,116.72 : x
  2. Step 2: Convert to fraction form
    11,512.56/17,269.80 = 4,116.72/x
  3. Step 3: Cross multiply
    11,512.56x = 17,269.80 × 4,116.72
  4. Step 4: Simplify right side
    11,512.56x = 71,094,931.06
  5. Step 5: Solve for x
    x = 71,094,931.06/11,512.56
  6. Step 6: Final answer
    x = 6,175.42

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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.