Home / 18,341.61-27,513.49-5,192.88

Finding the Fourth Proportional to 18,341.61, 27,513.49 and 5,192.88

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Solution

The fourth proportional to 18,341.61, 27,513.49 and 5,192.88 is: 7,789.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.61 : 27,513.49 = 5,192.88 : x
  2. Step 2: Convert to fraction form
    18,341.61/27,513.49 = 5,192.88/x
  3. Step 3: Cross multiply
    18,341.61x = 27,513.49 × 5,192.88
  4. Step 4: Simplify right side
    18,341.61x = 142,874,251.95
  5. Step 5: Solve for x
    x = 142,874,251.95/18,341.61
  6. Step 6: Final answer
    x = 7,789.62

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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.