Home / 10,572.50-15,858.14-3,176.80

Finding the Fourth Proportional to 10,572.50, 15,858.14 and 3,176.80

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Solution

The fourth proportional to 10,572.50, 15,858.14 and 3,176.80 is: 4,765.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.50 : 15,858.14 = 3,176.80 : x
  2. Step 2: Convert to fraction form
    10,572.50/15,858.14 = 3,176.80/x
  3. Step 3: Cross multiply
    10,572.50x = 15,858.14 × 3,176.80
  4. Step 4: Simplify right side
    10,572.50x = 50,378,139.15
  5. Step 5: Solve for x
    x = 50,378,139.15/10,572.50
  6. Step 6: Final answer
    x = 4,765.02

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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.