Home / 11,381.95-17,060.10-5,132.80

Finding the Fourth Proportional to 11,381.95, 17,060.10 and 5,132.80

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Solution

The fourth proportional to 11,381.95, 17,060.10 and 5,132.80 is: 7,693.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381.95 : 17,060.10 = 5,132.80 : x
  2. Step 2: Convert to fraction form
    11,381.95/17,060.10 = 5,132.80/x
  3. Step 3: Cross multiply
    11,381.95x = 17,060.10 × 5,132.80
  4. Step 4: Simplify right side
    11,381.95x = 87,566,081.28
  5. Step 5: Solve for x
    x = 87,566,081.28/11,381.95
  6. Step 6: Final answer
    x = 7,693.42

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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.