Home / 18,154.89-27,097.02-17,712.09

Finding the Fourth Proportional to 18,154.89, 27,097.02 and 17,712.09

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Solution

The fourth proportional to 18,154.89, 27,097.02 and 17,712.09 is: 26,436.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.89 : 27,097.02 = 17,712.09 : x
  2. Step 2: Convert to fraction form
    18,154.89/27,097.02 = 17,712.09/x
  3. Step 3: Cross multiply
    18,154.89x = 27,097.02 × 17,712.09
  4. Step 4: Simplify right side
    18,154.89x = 479,944,856.97
  5. Step 5: Solve for x
    x = 479,944,856.97/18,154.89
  6. Step 6: Final answer
    x = 26,436.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.