Home / 22,187.08-30,624.82-13,240.84

Finding the Fourth Proportional to 22,187.08, 30,624.82 and 13,240.84

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Solution

The fourth proportional to 22,187.08, 30,624.82 and 13,240.84 is: 18,276.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,187.08 : 30,624.82 = 13,240.84 : x
  2. Step 2: Convert to fraction form
    22,187.08/30,624.82 = 13,240.84/x
  3. Step 3: Cross multiply
    22,187.08x = 30,624.82 × 13,240.84
  4. Step 4: Simplify right side
    22,187.08x = 405,498,341.65
  5. Step 5: Solve for x
    x = 405,498,341.65/22,187.08
  6. Step 6: Final answer
    x = 18,276.33

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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.