Home / 14,391.18-21,602.97-11,143.44

Finding the Fourth Proportional to 14,391.18, 21,602.97 and 11,143.44

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Solution

The fourth proportional to 14,391.18, 21,602.97 and 11,143.44 is: 16,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.18 : 21,602.97 = 11,143.44 : x
  2. Step 2: Convert to fraction form
    14,391.18/21,602.97 = 11,143.44/x
  3. Step 3: Cross multiply
    14,391.18x = 21,602.97 × 11,143.44
  4. Step 4: Simplify right side
    14,391.18x = 240,731,400.02
  5. Step 5: Solve for x
    x = 240,731,400.02/14,391.18
  6. Step 6: Final answer
    x = 16,727.70

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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.