Home / 15,245.80-22,868.70-5,396.20

Finding the Fourth Proportional to 15,245.80, 22,868.70 and 5,396.20

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Solution

The fourth proportional to 15,245.80, 22,868.70 and 5,396.20 is: 8,094.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,245.80 : 22,868.70 = 5,396.20 : x
  2. Step 2: Convert to fraction form
    15,245.80/22,868.70 = 5,396.20/x
  3. Step 3: Cross multiply
    15,245.80x = 22,868.70 × 5,396.20
  4. Step 4: Simplify right side
    15,245.80x = 123,404,078.94
  5. Step 5: Solve for x
    x = 123,404,078.94/15,245.80
  6. Step 6: Final answer
    x = 8,094.30

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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.