Home / 21,932.90-30,267.57-12,110.44

Finding the Fourth Proportional to 21,932.90, 30,267.57 and 12,110.44

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Solution

The fourth proportional to 21,932.90, 30,267.57 and 12,110.44 is: 16,712.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932.90 : 30,267.57 = 12,110.44 : x
  2. Step 2: Convert to fraction form
    21,932.90/30,267.57 = 12,110.44/x
  3. Step 3: Cross multiply
    21,932.90x = 30,267.57 × 12,110.44
  4. Step 4: Simplify right side
    21,932.90x = 366,553,590.43
  5. Step 5: Solve for x
    x = 366,553,590.43/21,932.90
  6. Step 6: Final answer
    x = 16,712.50

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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.