Home / 22,370.14-30,868.68-12,298.42

Finding the Fourth Proportional to 22,370.14, 30,868.68 and 12,298.42

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Solution

The fourth proportional to 22,370.14, 30,868.68 and 12,298.42 is: 16,970.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,370.14 : 30,868.68 = 12,298.42 : x
  2. Step 2: Convert to fraction form
    22,370.14/30,868.68 = 12,298.42/x
  3. Step 3: Cross multiply
    22,370.14x = 30,868.68 × 12,298.42
  4. Step 4: Simplify right side
    22,370.14x = 379,635,991.49
  5. Step 5: Solve for x
    x = 379,635,991.49/22,370.14
  6. Step 6: Final answer
    x = 16,970.66

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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.