Home / 15,338.70-23,020.20-5,983.20

Finding the Fourth Proportional to 15,338.70, 23,020.20 and 5,983.20

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Solution

The fourth proportional to 15,338.70, 23,020.20 and 5,983.20 is: 8,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338.70 : 23,020.20 = 5,983.20 : x
  2. Step 2: Convert to fraction form
    15,338.70/23,020.20 = 5,983.20/x
  3. Step 3: Cross multiply
    15,338.70x = 23,020.20 × 5,983.20
  4. Step 4: Simplify right side
    15,338.70x = 137,734,460.64
  5. Step 5: Solve for x
    x = 137,734,460.64/15,338.70
  6. Step 6: Final answer
    x = 8,979.54

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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.