Home / 10,177.69-15,267.50-3,157.78

Finding the Fourth Proportional to 10,177.69, 15,267.50 and 3,157.78

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Solution

The fourth proportional to 10,177.69, 15,267.50 and 3,157.78 is: 4,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.69 : 15,267.50 = 3,157.78 : x
  2. Step 2: Convert to fraction form
    10,177.69/15,267.50 = 3,157.78/x
  3. Step 3: Cross multiply
    10,177.69x = 15,267.50 × 3,157.78
  4. Step 4: Simplify right side
    10,177.69x = 48,211,406.15
  5. Step 5: Solve for x
    x = 48,211,406.15/10,177.69
  6. Step 6: Final answer
    x = 4,736.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.