Home / 15,183.72-20,952.59-8,377.83

Finding the Fourth Proportional to 15,183.72, 20,952.59 and 8,377.83

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Solution

The fourth proportional to 15,183.72, 20,952.59 and 8,377.83 is: 11,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183.72 : 20,952.59 = 8,377.83 : x
  2. Step 2: Convert to fraction form
    15,183.72/20,952.59 = 8,377.83/x
  3. Step 3: Cross multiply
    15,183.72x = 20,952.59 × 8,377.83
  4. Step 4: Simplify right side
    15,183.72x = 175,537,118.58
  5. Step 5: Solve for x
    x = 175,537,118.58/15,183.72
  6. Step 6: Final answer
    x = 11,560.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.