Home / 14,065.38-19,409.58-7,691.82

Finding the Fourth Proportional to 14,065.38, 19,409.58 and 7,691.82

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Solution

The fourth proportional to 14,065.38, 19,409.58 and 7,691.82 is: 10,614.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.38 : 19,409.58 = 7,691.82 : x
  2. Step 2: Convert to fraction form
    14,065.38/19,409.58 = 7,691.82/x
  3. Step 3: Cross multiply
    14,065.38x = 19,409.58 × 7,691.82
  4. Step 4: Simplify right side
    14,065.38x = 149,294,995.64
  5. Step 5: Solve for x
    x = 149,294,995.64/14,065.38
  6. Step 6: Final answer
    x = 10,614.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.