Home / 19,839.33-29,760.74-7,359.49

Finding the Fourth Proportional to 19,839.33, 29,760.74 and 7,359.49

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Solution

The fourth proportional to 19,839.33, 29,760.74 and 7,359.49 is: 11,039.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.33 : 29,760.74 = 7,359.49 : x
  2. Step 2: Convert to fraction form
    19,839.33/29,760.74 = 7,359.49/x
  3. Step 3: Cross multiply
    19,839.33x = 29,760.74 × 7,359.49
  4. Step 4: Simplify right side
    19,839.33x = 219,023,812.42
  5. Step 5: Solve for x
    x = 219,023,812.42/19,839.33
  6. Step 6: Final answer
    x = 11,039.88

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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.