Home / 13,122.05-19,670.67-5,229.44

Finding the Fourth Proportional to 13,122.05, 19,670.67 and 5,229.44

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Solution

The fourth proportional to 13,122.05, 19,670.67 and 5,229.44 is: 7,839.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122.05 : 19,670.67 = 5,229.44 : x
  2. Step 2: Convert to fraction form
    13,122.05/19,670.67 = 5,229.44/x
  3. Step 3: Cross multiply
    13,122.05x = 19,670.67 × 5,229.44
  4. Step 4: Simplify right side
    13,122.05x = 102,866,490.17
  5. Step 5: Solve for x
    x = 102,866,490.17/13,122.05
  6. Step 6: Final answer
    x = 7,839.21

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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.