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Finding the Fourth Proportional to 22,545.82, 33,808.47 and 9,390.34

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Solution

The fourth proportional to 22,545.82, 33,808.47 and 9,390.34 is: 14,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,545.82 : 33,808.47 = 9,390.34 : x
  2. Step 2: Convert to fraction form
    22,545.82/33,808.47 = 9,390.34/x
  3. Step 3: Cross multiply
    22,545.82x = 33,808.47 × 9,390.34
  4. Step 4: Simplify right side
    22,545.82x = 317,473,028.18
  5. Step 5: Solve for x
    x = 317,473,028.18/22,545.82
  6. Step 6: Final answer
    x = 14,081.24

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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.