Home / 12,370.11-17,069.38-7,063.90

Finding the Fourth Proportional to 12,370.11, 17,069.38 and 7,063.90

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Solution

The fourth proportional to 12,370.11, 17,069.38 and 7,063.90 is: 9,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.11 : 17,069.38 = 7,063.90 : x
  2. Step 2: Convert to fraction form
    12,370.11/17,069.38 = 7,063.90/x
  3. Step 3: Cross multiply
    12,370.11x = 17,069.38 × 7,063.90
  4. Step 4: Simplify right side
    12,370.11x = 120,576,393.38
  5. Step 5: Solve for x
    x = 120,576,393.38/12,370.11
  6. Step 6: Final answer
    x = 9,747.40

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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.