Home / 15,349.97-22,912.89-13,172.69

Finding the Fourth Proportional to 15,349.97, 22,912.89 and 13,172.69

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Solution

The fourth proportional to 15,349.97, 22,912.89 and 13,172.69 is: 19,662.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,349.97 : 22,912.89 = 13,172.69 : x
  2. Step 2: Convert to fraction form
    15,349.97/22,912.89 = 13,172.69/x
  3. Step 3: Cross multiply
    15,349.97x = 22,912.89 × 13,172.69
  4. Step 4: Simplify right side
    15,349.97x = 301,824,396.97
  5. Step 5: Solve for x
    x = 301,824,396.97/15,349.97
  6. Step 6: Final answer
    x = 19,662.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.