Home / 14,194.13-21,269.29-8,989.07

Finding the Fourth Proportional to 14,194.13, 21,269.29 and 8,989.07

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Solution

The fourth proportional to 14,194.13, 21,269.29 and 8,989.07 is: 13,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,194.13 : 21,269.29 = 8,989.07 : x
  2. Step 2: Convert to fraction form
    14,194.13/21,269.29 = 8,989.07/x
  3. Step 3: Cross multiply
    14,194.13x = 21,269.29 × 8,989.07
  4. Step 4: Simplify right side
    14,194.13x = 191,191,136.66
  5. Step 5: Solve for x
    x = 191,191,136.66/14,194.13
  6. Step 6: Final answer
    x = 13,469.73

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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.