Home / 19,338.32-29,001.30-6,187.56

Finding the Fourth Proportional to 19,338.32, 29,001.30 and 6,187.56

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Solution

The fourth proportional to 19,338.32, 29,001.30 and 6,187.56 is: 9,279.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.32 : 29,001.30 = 6,187.56 : x
  2. Step 2: Convert to fraction form
    19,338.32/29,001.30 = 6,187.56/x
  3. Step 3: Cross multiply
    19,338.32x = 29,001.30 × 6,187.56
  4. Step 4: Simplify right side
    19,338.32x = 179,447,283.83
  5. Step 5: Solve for x
    x = 179,447,283.83/19,338.32
  6. Step 6: Final answer
    x = 9,279.36

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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.