Home / 10,352.68-14,286.66-5,636.92

Finding the Fourth Proportional to 10,352.68, 14,286.66 and 5,636.92

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Solution

The fourth proportional to 10,352.68, 14,286.66 and 5,636.92 is: 7,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.68 : 14,286.66 = 5,636.92 : x
  2. Step 2: Convert to fraction form
    10,352.68/14,286.66 = 5,636.92/x
  3. Step 3: Cross multiply
    10,352.68x = 14,286.66 × 5,636.92
  4. Step 4: Simplify right side
    10,352.68x = 80,532,759.49
  5. Step 5: Solve for x
    x = 80,532,759.49/10,352.68
  6. Step 6: Final answer
    x = 7,778.93

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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.