Home / 14,621.90-21,934.23-4,091.92

Finding the Fourth Proportional to 14,621.90, 21,934.23 and 4,091.92

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Solution

The fourth proportional to 14,621.90, 21,934.23 and 4,091.92 is: 6,138.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.90 : 21,934.23 = 4,091.92 : x
  2. Step 2: Convert to fraction form
    14,621.90/21,934.23 = 4,091.92/x
  3. Step 3: Cross multiply
    14,621.90x = 21,934.23 × 4,091.92
  4. Step 4: Simplify right side
    14,621.90x = 89,753,114.42
  5. Step 5: Solve for x
    x = 89,753,114.42/14,621.90
  6. Step 6: Final answer
    x = 6,138.27

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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.