Home / 15,143.16-22,714.85-5,780.66

Finding the Fourth Proportional to 15,143.16, 22,714.85 and 5,780.66

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Solution

The fourth proportional to 15,143.16, 22,714.85 and 5,780.66 is: 8,671.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143.16 : 22,714.85 = 5,780.66 : x
  2. Step 2: Convert to fraction form
    15,143.16/22,714.85 = 5,780.66/x
  3. Step 3: Cross multiply
    15,143.16x = 22,714.85 × 5,780.66
  4. Step 4: Simplify right side
    15,143.16x = 131,306,824.80
  5. Step 5: Solve for x
    x = 131,306,824.80/15,143.16
  6. Step 6: Final answer
    x = 8,671.03

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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.