Home / 10,951.40-15,110.82-6,703.43

Finding the Fourth Proportional to 10,951.40, 15,110.82 and 6,703.43

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Solution

The fourth proportional to 10,951.40, 15,110.82 and 6,703.43 is: 9,249.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.40 : 15,110.82 = 6,703.43 : x
  2. Step 2: Convert to fraction form
    10,951.40/15,110.82 = 6,703.43/x
  3. Step 3: Cross multiply
    10,951.40x = 15,110.82 × 6,703.43
  4. Step 4: Simplify right side
    10,951.40x = 101,294,248.56
  5. Step 5: Solve for x
    x = 101,294,248.56/10,951.40
  6. Step 6: Final answer
    x = 9,249.43

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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.