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Finding the Fourth Proportional to 16,222.16, 24,218.02 and 15,646.16

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Solution

The fourth proportional to 16,222.16, 24,218.02 and 15,646.16 is: 23,358.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,222.16 : 24,218.02 = 15,646.16 : x
  2. Step 2: Convert to fraction form
    16,222.16/24,218.02 = 15,646.16/x
  3. Step 3: Cross multiply
    16,222.16x = 24,218.02 × 15,646.16
  4. Step 4: Simplify right side
    16,222.16x = 378,919,015.80
  5. Step 5: Solve for x
    x = 378,919,015.80/16,222.16
  6. Step 6: Final answer
    x = 23,358.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.