Home / 18,853.35-26,018.78-10,469.85

Finding the Fourth Proportional to 18,853.35, 26,018.78 and 10,469.85

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Solution

The fourth proportional to 18,853.35, 26,018.78 and 10,469.85 is: 14,449.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.35 : 26,018.78 = 10,469.85 : x
  2. Step 2: Convert to fraction form
    18,853.35/26,018.78 = 10,469.85/x
  3. Step 3: Cross multiply
    18,853.35x = 26,018.78 × 10,469.85
  4. Step 4: Simplify right side
    18,853.35x = 272,412,723.78
  5. Step 5: Solve for x
    x = 272,412,723.78/18,853.35
  6. Step 6: Final answer
    x = 14,449.04

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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.