Home / 14,638.73-21,958.14-3,545.40

Finding the Fourth Proportional to 14,638.73, 21,958.14 and 3,545.40

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Solution

The fourth proportional to 14,638.73, 21,958.14 and 3,545.40 is: 5,318.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.73 : 21,958.14 = 3,545.40 : x
  2. Step 2: Convert to fraction form
    14,638.73/21,958.14 = 3,545.40/x
  3. Step 3: Cross multiply
    14,638.73x = 21,958.14 × 3,545.40
  4. Step 4: Simplify right side
    14,638.73x = 77,850,279.98
  5. Step 5: Solve for x
    x = 77,850,279.98/14,638.73
  6. Step 6: Final answer
    x = 5,318.11

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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.