Home / 16,419.78-22,653.68-9,344.43

Finding the Fourth Proportional to 16,419.78, 22,653.68 and 9,344.43

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Solution

The fourth proportional to 16,419.78, 22,653.68 and 9,344.43 is: 12,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,419.78 : 22,653.68 = 9,344.43 : x
  2. Step 2: Convert to fraction form
    16,419.78/22,653.68 = 9,344.43/x
  3. Step 3: Cross multiply
    16,419.78x = 22,653.68 × 9,344.43
  4. Step 4: Simplify right side
    16,419.78x = 211,685,680.28
  5. Step 5: Solve for x
    x = 211,685,680.28/16,419.78
  6. Step 6: Final answer
    x = 12,892.11

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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.