Home / 10,745.38-14,835.45-7,387.12

Finding the Fourth Proportional to 10,745.38, 14,835.45 and 7,387.12

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Solution

The fourth proportional to 10,745.38, 14,835.45 and 7,387.12 is: 10,198.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.38 : 14,835.45 = 7,387.12 : x
  2. Step 2: Convert to fraction form
    10,745.38/14,835.45 = 7,387.12/x
  3. Step 3: Cross multiply
    10,745.38x = 14,835.45 × 7,387.12
  4. Step 4: Simplify right side
    10,745.38x = 109,591,249.40
  5. Step 5: Solve for x
    x = 109,591,249.40/10,745.38
  6. Step 6: Final answer
    x = 10,198.92

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1.5x scale

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.