Home / 10,123.23-15,185.20-2,727.87

Finding the Fourth Proportional to 10,123.23, 15,185.20 and 2,727.87

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Solution

The fourth proportional to 10,123.23, 15,185.20 and 2,727.87 is: 4,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.23 : 15,185.20 = 2,727.87 : x
  2. Step 2: Convert to fraction form
    10,123.23/15,185.20 = 2,727.87/x
  3. Step 3: Cross multiply
    10,123.23x = 15,185.20 × 2,727.87
  4. Step 4: Simplify right side
    10,123.23x = 41,423,192.87
  5. Step 5: Solve for x
    x = 41,423,192.87/10,123.23
  6. Step 6: Final answer
    x = 4,091.90

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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.