Home / 22,208.14-30,648.70-12,519.98

Finding the Fourth Proportional to 22,208.14, 30,648.70 and 12,519.98

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Solution

The fourth proportional to 22,208.14, 30,648.70 and 12,519.98 is: 17,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208.14 : 30,648.70 = 12,519.98 : x
  2. Step 2: Convert to fraction form
    22,208.14/30,648.70 = 12,519.98/x
  3. Step 3: Cross multiply
    22,208.14x = 30,648.70 × 12,519.98
  4. Step 4: Simplify right side
    22,208.14x = 383,721,190.34
  5. Step 5: Solve for x
    x = 383,721,190.34/22,208.14
  6. Step 6: Final answer
    x = 17,278.40

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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.