Home / 10,162.62-14,023.28-5,685.64

Finding the Fourth Proportional to 10,162.62, 14,023.28 and 5,685.64

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Solution

The fourth proportional to 10,162.62, 14,023.28 and 5,685.64 is: 7,845.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,162.62 : 14,023.28 = 5,685.64 : x
  2. Step 2: Convert to fraction form
    10,162.62/14,023.28 = 5,685.64/x
  3. Step 3: Cross multiply
    10,162.62x = 14,023.28 × 5,685.64
  4. Step 4: Simplify right side
    10,162.62x = 79,731,321.70
  5. Step 5: Solve for x
    x = 79,731,321.70/10,162.62
  6. Step 6: Final answer
    x = 7,845.55

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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.