Home / 11,528.64-17,298.60-7,144.92

Finding the Fourth Proportional to 11,528.64, 17,298.60 and 7,144.92

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Solution

The fourth proportional to 11,528.64, 17,298.60 and 7,144.92 is: 10,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.64 : 17,298.60 = 7,144.92 : x
  2. Step 2: Convert to fraction form
    11,528.64/17,298.60 = 7,144.92/x
  3. Step 3: Cross multiply
    11,528.64x = 17,298.60 × 7,144.92
  4. Step 4: Simplify right side
    11,528.64x = 123,597,113.11
  5. Step 5: Solve for x
    x = 123,597,113.11/11,528.64
  6. Step 6: Final answer
    x = 10,720.88

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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.