Home / 18,010.78-27,001.49-11,070.70

Finding the Fourth Proportional to 18,010.78, 27,001.49 and 11,070.70

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Solution

The fourth proportional to 18,010.78, 27,001.49 and 11,070.70 is: 16,597.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010.78 : 27,001.49 = 11,070.70 : x
  2. Step 2: Convert to fraction form
    18,010.78/27,001.49 = 11,070.70/x
  3. Step 3: Cross multiply
    18,010.78x = 27,001.49 × 11,070.70
  4. Step 4: Simplify right side
    18,010.78x = 298,925,272.49
  5. Step 5: Solve for x
    x = 298,925,272.49/18,010.78
  6. Step 6: Final answer
    x = 16,597.02

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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.