Home / 16,218.53-22,381.61-9,144.93

Finding the Fourth Proportional to 16,218.53, 22,381.61 and 9,144.93

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Solution

The fourth proportional to 16,218.53, 22,381.61 and 9,144.93 is: 12,620.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218.53 : 22,381.61 = 9,144.93 : x
  2. Step 2: Convert to fraction form
    16,218.53/22,381.61 = 9,144.93/x
  3. Step 3: Cross multiply
    16,218.53x = 22,381.61 × 9,144.93
  4. Step 4: Simplify right side
    16,218.53x = 204,678,211.01
  5. Step 5: Solve for x
    x = 204,678,211.01/16,218.53
  6. Step 6: Final answer
    x = 12,620.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.