Home / 14,622-21,943.08-12,672.24

Finding the Fourth Proportional to 14,622, 21,943.08 and 12,672.24

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Solution

The fourth proportional to 14,622, 21,943.08 and 12,672.24 is: 19,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622 : 21,943.08 = 12,672.24 : x
  2. Step 2: Convert to fraction form
    14,622/21,943.08 = 12,672.24/x
  3. Step 3: Cross multiply
    14,622x = 21,943.08 × 12,672.24
  4. Step 4: Simplify right side
    14,622x = 278,067,976.10
  5. Step 5: Solve for x
    x = 278,067,976.10/14,622
  6. Step 6: Final answer
    x = 19,017.10

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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.