Home / 11,686.07-17,529.10-2,920.98

Finding the Fourth Proportional to 11,686.07, 17,529.10 and 2,920.98

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Solution

The fourth proportional to 11,686.07, 17,529.10 and 2,920.98 is: 4,381.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,686.07 : 17,529.10 = 2,920.98 : x
  2. Step 2: Convert to fraction form
    11,686.07/17,529.10 = 2,920.98/x
  3. Step 3: Cross multiply
    11,686.07x = 17,529.10 × 2,920.98
  4. Step 4: Simplify right side
    11,686.07x = 51,202,221.78
  5. Step 5: Solve for x
    x = 51,202,221.78/11,686.07
  6. Step 6: Final answer
    x = 4,381.48

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Similar ratio
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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.