Home / 19,081.11-28,624.74-9,221.12

Finding the Fourth Proportional to 19,081.11, 28,624.74 and 9,221.12

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Solution

The fourth proportional to 19,081.11, 28,624.74 and 9,221.12 is: 13,833.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.11 : 28,624.74 = 9,221.12 : x
  2. Step 2: Convert to fraction form
    19,081.11/28,624.74 = 9,221.12/x
  3. Step 3: Cross multiply
    19,081.11x = 28,624.74 × 9,221.12
  4. Step 4: Simplify right side
    19,081.11x = 263,952,019.39
  5. Step 5: Solve for x
    x = 263,952,019.39/19,081.11
  6. Step 6: Final answer
    x = 13,833.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.