Home / 10,282.14-14,189.11-5,805.74

Finding the Fourth Proportional to 10,282.14, 14,189.11 and 5,805.74

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Solution

The fourth proportional to 10,282.14, 14,189.11 and 5,805.74 is: 8,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.14 : 14,189.11 = 5,805.74 : x
  2. Step 2: Convert to fraction form
    10,282.14/14,189.11 = 5,805.74/x
  3. Step 3: Cross multiply
    10,282.14x = 14,189.11 × 5,805.74
  4. Step 4: Simplify right side
    10,282.14x = 82,378,304.45
  5. Step 5: Solve for x
    x = 82,378,304.45/10,282.14
  6. Step 6: Final answer
    x = 8,011.79

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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.