Home / 15,381.17-22,987.46-11,229.92

Finding the Fourth Proportional to 15,381.17, 22,987.46 and 11,229.92

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Solution

The fourth proportional to 15,381.17, 22,987.46 and 11,229.92 is: 16,783.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.17 : 22,987.46 = 11,229.92 : x
  2. Step 2: Convert to fraction form
    15,381.17/22,987.46 = 11,229.92/x
  3. Step 3: Cross multiply
    15,381.17x = 22,987.46 × 11,229.92
  4. Step 4: Simplify right side
    15,381.17x = 258,147,336.80
  5. Step 5: Solve for x
    x = 258,147,336.80/15,381.17
  6. Step 6: Final answer
    x = 16,783.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.