Home / 10,147.64-15,221.43-3,573.08

Finding the Fourth Proportional to 10,147.64, 15,221.43 and 3,573.08

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Solution

The fourth proportional to 10,147.64, 15,221.43 and 3,573.08 is: 5,359.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.64 : 15,221.43 = 3,573.08 : x
  2. Step 2: Convert to fraction form
    10,147.64/15,221.43 = 3,573.08/x
  3. Step 3: Cross multiply
    10,147.64x = 15,221.43 × 3,573.08
  4. Step 4: Simplify right side
    10,147.64x = 54,387,387.10
  5. Step 5: Solve for x
    x = 54,387,387.10/10,147.64
  6. Step 6: Final answer
    x = 5,359.61

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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.