Home / 18,760.04-28,140.06-8,082.02

Finding the Fourth Proportional to 18,760.04, 28,140.06 and 8,082.02

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Solution

The fourth proportional to 18,760.04, 28,140.06 and 8,082.02 is: 12,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760.04 : 28,140.06 = 8,082.02 : x
  2. Step 2: Convert to fraction form
    18,760.04/28,140.06 = 8,082.02/x
  3. Step 3: Cross multiply
    18,760.04x = 28,140.06 × 8,082.02
  4. Step 4: Simplify right side
    18,760.04x = 227,428,527.72
  5. Step 5: Solve for x
    x = 227,428,527.72/18,760.04
  6. Step 6: Final answer
    x = 12,123.03

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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.