Home / 22,370.70-30,871.77-12,299.21

Finding the Fourth Proportional to 22,370.70, 30,871.77 and 12,299.21

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Solution

The fourth proportional to 22,370.70, 30,871.77 and 12,299.21 is: 16,973.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,370.70 : 30,871.77 = 12,299.21 : x
  2. Step 2: Convert to fraction form
    22,370.70/30,871.77 = 12,299.21/x
  3. Step 3: Cross multiply
    22,370.70x = 30,871.77 × 12,299.21
  4. Step 4: Simplify right side
    22,370.70x = 379,698,308.89
  5. Step 5: Solve for x
    x = 379,698,308.89/22,370.70
  6. Step 6: Final answer
    x = 16,973.02

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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.