Home / 10,747.49-14,819.55-6,965.69

Finding the Fourth Proportional to 10,747.49, 14,819.55 and 6,965.69

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Solution

The fourth proportional to 10,747.49, 14,819.55 and 6,965.69 is: 9,604.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.49 : 14,819.55 = 6,965.69 : x
  2. Step 2: Convert to fraction form
    10,747.49/14,819.55 = 6,965.69/x
  3. Step 3: Cross multiply
    10,747.49x = 14,819.55 × 6,965.69
  4. Step 4: Simplify right side
    10,747.49x = 103,228,317.14
  5. Step 5: Solve for x
    x = 103,228,317.14/10,747.49
  6. Step 6: Final answer
    x = 9,604.88

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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.