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Finding the Fourth Proportional to 18,841.74, 26,001.78 and 10,883.78

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Solution

The fourth proportional to 18,841.74, 26,001.78 and 10,883.78 is: 15,019.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841.74 : 26,001.78 = 10,883.78 : x
  2. Step 2: Convert to fraction form
    18,841.74/26,001.78 = 10,883.78/x
  3. Step 3: Cross multiply
    18,841.74x = 26,001.78 × 10,883.78
  4. Step 4: Simplify right side
    18,841.74x = 282,997,653.13
  5. Step 5: Solve for x
    x = 282,997,653.13/18,841.74
  6. Step 6: Final answer
    x = 15,019.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.