Home / 18,620.16-27,897.36-18,160.92

Finding the Fourth Proportional to 18,620.16, 27,897.36 and 18,160.92

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Solution

The fourth proportional to 18,620.16, 27,897.36 and 18,160.92 is: 27,209.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,620.16 : 27,897.36 = 18,160.92 : x
  2. Step 2: Convert to fraction form
    18,620.16/27,897.36 = 18,160.92/x
  3. Step 3: Cross multiply
    18,620.16x = 27,897.36 × 18,160.92
  4. Step 4: Simplify right side
    18,620.16x = 506,641,723.17
  5. Step 5: Solve for x
    x = 506,641,723.17/18,620.16
  6. Step 6: Final answer
    x = 27,209.31

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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.