Home / 10,180.23-15,269.61-3,160.05

Finding the Fourth Proportional to 10,180.23, 15,269.61 and 3,160.05

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Solution

The fourth proportional to 10,180.23, 15,269.61 and 3,160.05 is: 4,739.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180.23 : 15,269.61 = 3,160.05 : x
  2. Step 2: Convert to fraction form
    10,180.23/15,269.61 = 3,160.05/x
  3. Step 3: Cross multiply
    10,180.23x = 15,269.61 × 3,160.05
  4. Step 4: Simplify right side
    10,180.23x = 48,252,731.08
  5. Step 5: Solve for x
    x = 48,252,731.08/10,180.23
  6. Step 6: Final answer
    x = 4,739.85

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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.