Home / 16,161.08-22,274.88-12,331.40

Finding the Fourth Proportional to 16,161.08, 22,274.88 and 12,331.40

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Solution

The fourth proportional to 16,161.08, 22,274.88 and 12,331.40 is: 16,996.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,161.08 : 22,274.88 = 12,331.40 : x
  2. Step 2: Convert to fraction form
    16,161.08/22,274.88 = 12,331.40/x
  3. Step 3: Cross multiply
    16,161.08x = 22,274.88 × 12,331.40
  4. Step 4: Simplify right side
    16,161.08x = 274,680,455.23
  5. Step 5: Solve for x
    x = 274,680,455.23/16,161.08
  6. Step 6: Final answer
    x = 16,996.42

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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.