Home / 18,335.73-27,516.70-7,813.12

Finding the Fourth Proportional to 18,335.73, 27,516.70 and 7,813.12

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Solution

The fourth proportional to 18,335.73, 27,516.70 and 7,813.12 is: 11,725.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.73 : 27,516.70 = 7,813.12 : x
  2. Step 2: Convert to fraction form
    18,335.73/27,516.70 = 7,813.12/x
  3. Step 3: Cross multiply
    18,335.73x = 27,516.70 × 7,813.12
  4. Step 4: Simplify right side
    18,335.73x = 214,991,279.10
  5. Step 5: Solve for x
    x = 214,991,279.10/18,335.73
  6. Step 6: Final answer
    x = 11,725.26

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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.