Home / 18,855.35-26,019.54-11,305.85

Finding the Fourth Proportional to 18,855.35, 26,019.54 and 11,305.85

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Solution

The fourth proportional to 18,855.35, 26,019.54 and 11,305.85 is: 15,601.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,855.35 : 26,019.54 = 11,305.85 : x
  2. Step 2: Convert to fraction form
    18,855.35/26,019.54 = 11,305.85/x
  3. Step 3: Cross multiply
    18,855.35x = 26,019.54 × 11,305.85
  4. Step 4: Simplify right side
    18,855.35x = 294,173,026.18
  5. Step 5: Solve for x
    x = 294,173,026.18/18,855.35
  6. Step 6: Final answer
    x = 15,601.57

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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.