Home / 12,344.10-18,538.38-11,355.08

Finding the Fourth Proportional to 12,344.10, 18,538.38 and 11,355.08

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Solution

The fourth proportional to 12,344.10, 18,538.38 and 11,355.08 is: 17,053.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.10 : 18,538.38 = 11,355.08 : x
  2. Step 2: Convert to fraction form
    12,344.10/18,538.38 = 11,355.08/x
  3. Step 3: Cross multiply
    12,344.10x = 18,538.38 × 11,355.08
  4. Step 4: Simplify right side
    12,344.10x = 210,504,787.97
  5. Step 5: Solve for x
    x = 210,504,787.97/12,344.10
  6. Step 6: Final answer
    x = 17,053.07

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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.