Home / 11,364.20-17,046.30-7,677.80

Finding the Fourth Proportional to 11,364.20, 17,046.30 and 7,677.80

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Solution

The fourth proportional to 11,364.20, 17,046.30 and 7,677.80 is: 11,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.20 : 17,046.30 = 7,677.80 : x
  2. Step 2: Convert to fraction form
    11,364.20/17,046.30 = 7,677.80/x
  3. Step 3: Cross multiply
    11,364.20x = 17,046.30 × 7,677.80
  4. Step 4: Simplify right side
    11,364.20x = 130,878,082.14
  5. Step 5: Solve for x
    x = 130,878,082.14/11,364.20
  6. Step 6: Final answer
    x = 11,516.70

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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.