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Finding the Fourth Proportional to 10,527.32, 15,791.08 and 2,736.16

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Solution

The fourth proportional to 10,527.32, 15,791.08 and 2,736.16 is: 4,104.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,527.32 : 15,791.08 = 2,736.16 : x
  2. Step 2: Convert to fraction form
    10,527.32/15,791.08 = 2,736.16/x
  3. Step 3: Cross multiply
    10,527.32x = 15,791.08 × 2,736.16
  4. Step 4: Simplify right side
    10,527.32x = 43,206,921.45
  5. Step 5: Solve for x
    x = 43,206,921.45/10,527.32
  6. Step 6: Final answer
    x = 4,104.27

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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.