Home / 11,943.97-17,889.58-7,487.11

Finding the Fourth Proportional to 11,943.97, 17,889.58 and 7,487.11

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Solution

The fourth proportional to 11,943.97, 17,889.58 and 7,487.11 is: 11,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.97 : 17,889.58 = 7,487.11 : x
  2. Step 2: Convert to fraction form
    11,943.97/17,889.58 = 7,487.11/x
  3. Step 3: Cross multiply
    11,943.97x = 17,889.58 × 7,487.11
  4. Step 4: Simplify right side
    11,943.97x = 133,941,253.31
  5. Step 5: Solve for x
    x = 133,941,253.31/11,943.97
  6. Step 6: Final answer
    x = 11,214.13

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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.