Home / 18,858.92-26,029.98-10,905.75

Finding the Fourth Proportional to 18,858.92, 26,029.98 and 10,905.75

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Solution

The fourth proportional to 18,858.92, 26,029.98 and 10,905.75 is: 15,052.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,858.92 : 26,029.98 = 10,905.75 : x
  2. Step 2: Convert to fraction form
    18,858.92/26,029.98 = 10,905.75/x
  3. Step 3: Cross multiply
    18,858.92x = 26,029.98 × 10,905.75
  4. Step 4: Simplify right side
    18,858.92x = 283,876,454.39
  5. Step 5: Solve for x
    x = 283,876,454.39/18,858.92
  6. Step 6: Final answer
    x = 15,052.64

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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.