Home / 10,146.20-15,221.87-3,573.05

Finding the Fourth Proportional to 10,146.20, 15,221.87 and 3,573.05

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Solution

The fourth proportional to 10,146.20, 15,221.87 and 3,573.05 is: 5,360.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146.20 : 15,221.87 = 3,573.05 : x
  2. Step 2: Convert to fraction form
    10,146.20/15,221.87 = 3,573.05/x
  3. Step 3: Cross multiply
    10,146.20x = 15,221.87 × 3,573.05
  4. Step 4: Simplify right side
    10,146.20x = 54,388,484.74
  5. Step 5: Solve for x
    x = 54,388,484.74/10,146.20
  6. Step 6: Final answer
    x = 5,360.48

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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.