Home / 10,432.96-14,397.68-5,716.96

Finding the Fourth Proportional to 10,432.96, 14,397.68 and 5,716.96

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Solution

The fourth proportional to 10,432.96, 14,397.68 and 5,716.96 is: 7,889.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.96 : 14,397.68 = 5,716.96 : x
  2. Step 2: Convert to fraction form
    10,432.96/14,397.68 = 5,716.96/x
  3. Step 3: Cross multiply
    10,432.96x = 14,397.68 × 5,716.96
  4. Step 4: Simplify right side
    10,432.96x = 82,310,960.65
  5. Step 5: Solve for x
    x = 82,310,960.65/10,432.96
  6. Step 6: Final answer
    x = 7,889.51

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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.