Home / 14,638.98-21,958.48-3,545.68

Finding the Fourth Proportional to 14,638.98, 21,958.48 and 3,545.68

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Solution

The fourth proportional to 14,638.98, 21,958.48 and 3,545.68 is: 5,318.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.98 : 21,958.48 = 3,545.68 : x
  2. Step 2: Convert to fraction form
    14,638.98/21,958.48 = 3,545.68/x
  3. Step 3: Cross multiply
    14,638.98x = 21,958.48 × 3,545.68
  4. Step 4: Simplify right side
    14,638.98x = 77,857,679.61
  5. Step 5: Solve for x
    x = 77,857,679.61/14,638.98
  6. Step 6: Final answer
    x = 5,318.52

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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.