Home / 18,728.01-28,082.61-6,243.62

Finding the Fourth Proportional to 18,728.01, 28,082.61 and 6,243.62

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Solution

The fourth proportional to 18,728.01, 28,082.61 and 6,243.62 is: 9,362.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728.01 : 28,082.61 = 6,243.62 : x
  2. Step 2: Convert to fraction form
    18,728.01/28,082.61 = 6,243.62/x
  3. Step 3: Cross multiply
    18,728.01x = 28,082.61 × 6,243.62
  4. Step 4: Simplify right side
    18,728.01x = 175,337,005.04
  5. Step 5: Solve for x
    x = 175,337,005.04/18,728.01
  6. Step 6: Final answer
    x = 9,362.29

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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.