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Finding the Fourth Proportional to 16,673.68, 24,957.24 and 11,921.68

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Solution

The fourth proportional to 16,673.68, 24,957.24 and 11,921.68 is: 17,844.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,673.68 : 24,957.24 = 11,921.68 : x
  2. Step 2: Convert to fraction form
    16,673.68/24,957.24 = 11,921.68/x
  3. Step 3: Cross multiply
    16,673.68x = 24,957.24 × 11,921.68
  4. Step 4: Simplify right side
    16,673.68x = 297,532,228.96
  5. Step 5: Solve for x
    x = 297,532,228.96/16,673.68
  6. Step 6: Final answer
    x = 17,844.42

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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.