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Finding the Fourth Proportional to 17,969.52, 26,953.38 and 6,881.52

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Solution

The fourth proportional to 17,969.52, 26,953.38 and 6,881.52 is: 10,321.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,969.52 : 26,953.38 = 6,881.52 : x
  2. Step 2: Convert to fraction form
    17,969.52/26,953.38 = 6,881.52/x
  3. Step 3: Cross multiply
    17,969.52x = 26,953.38 × 6,881.52
  4. Step 4: Simplify right side
    17,969.52x = 185,480,223.54
  5. Step 5: Solve for x
    x = 185,480,223.54/17,969.52
  6. Step 6: Final answer
    x = 10,321.94

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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.