Home / 10,103.92-13,945.56-6,790

Finding the Fourth Proportional to 10,103.92, 13,945.56 and 6,790

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Solution

The fourth proportional to 10,103.92, 13,945.56 and 6,790 is: 9,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.92 : 13,945.56 = 6,790 : x
  2. Step 2: Convert to fraction form
    10,103.92/13,945.56 = 6,790/x
  3. Step 3: Cross multiply
    10,103.92x = 13,945.56 × 6,790
  4. Step 4: Simplify right side
    10,103.92x = 94,690,352.40
  5. Step 5: Solve for x
    x = 94,690,352.40/10,103.92
  6. Step 6: Final answer
    x = 9,371.65

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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.