Home / 10,171.61-15,183.75-8,793.80

Finding the Fourth Proportional to 10,171.61, 15,183.75 and 8,793.80

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Solution

The fourth proportional to 10,171.61, 15,183.75 and 8,793.80 is: 13,127.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.61 : 15,183.75 = 8,793.80 : x
  2. Step 2: Convert to fraction form
    10,171.61/15,183.75 = 8,793.80/x
  3. Step 3: Cross multiply
    10,171.61x = 15,183.75 × 8,793.80
  4. Step 4: Simplify right side
    10,171.61x = 133,522,860.75
  5. Step 5: Solve for x
    x = 133,522,860.75/10,171.61
  6. Step 6: Final answer
    x = 13,127.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.