Home / 10,939.87-15,096.12-6,160.25

Finding the Fourth Proportional to 10,939.87, 15,096.12 and 6,160.25

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Solution

The fourth proportional to 10,939.87, 15,096.12 and 6,160.25 is: 8,500.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.87 : 15,096.12 = 6,160.25 : x
  2. Step 2: Convert to fraction form
    10,939.87/15,096.12 = 6,160.25/x
  3. Step 3: Cross multiply
    10,939.87x = 15,096.12 × 6,160.25
  4. Step 4: Simplify right side
    10,939.87x = 92,995,873.23
  5. Step 5: Solve for x
    x = 92,995,873.23/10,939.87
  6. Step 6: Final answer
    x = 8,500.64

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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.