Home / 15,122.30-22,680.21-4,728.38

Finding the Fourth Proportional to 15,122.30, 22,680.21 and 4,728.38

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Solution

The fourth proportional to 15,122.30, 22,680.21 and 4,728.38 is: 7,091.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122.30 : 22,680.21 = 4,728.38 : x
  2. Step 2: Convert to fraction form
    15,122.30/22,680.21 = 4,728.38/x
  3. Step 3: Cross multiply
    15,122.30x = 22,680.21 × 4,728.38
  4. Step 4: Simplify right side
    15,122.30x = 107,240,651.36
  5. Step 5: Solve for x
    x = 107,240,651.36/15,122.30
  6. Step 6: Final answer
    x = 7,091.56

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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.