Home / 19,868.39-29,784.05-6,711.56

Finding the Fourth Proportional to 19,868.39, 29,784.05 and 6,711.56

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Solution

The fourth proportional to 19,868.39, 29,784.05 and 6,711.56 is: 10,061.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,868.39 : 29,784.05 = 6,711.56 : x
  2. Step 2: Convert to fraction form
    19,868.39/29,784.05 = 6,711.56/x
  3. Step 3: Cross multiply
    19,868.39x = 29,784.05 × 6,711.56
  4. Step 4: Simplify right side
    19,868.39x = 199,897,438.62
  5. Step 5: Solve for x
    x = 199,897,438.62/19,868.39
  6. Step 6: Final answer
    x = 10,061.08

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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.