Home / 10,573.20-15,857.37-3,177.50

Finding the Fourth Proportional to 10,573.20, 15,857.37 and 3,177.50

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Solution

The fourth proportional to 10,573.20, 15,857.37 and 3,177.50 is: 4,765.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,573.20 : 15,857.37 = 3,177.50 : x
  2. Step 2: Convert to fraction form
    10,573.20/15,857.37 = 3,177.50/x
  3. Step 3: Cross multiply
    10,573.20x = 15,857.37 × 3,177.50
  4. Step 4: Simplify right side
    10,573.20x = 50,386,713.89
  5. Step 5: Solve for x
    x = 50,386,713.89/10,573.20
  6. Step 6: Final answer
    x = 4,765.51

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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.