Home / 22,679.16-31,299.21-12,609.57

Finding the Fourth Proportional to 22,679.16, 31,299.21 and 12,609.57

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Solution

The fourth proportional to 22,679.16, 31,299.21 and 12,609.57 is: 17,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.16 : 31,299.21 = 12,609.57 : x
  2. Step 2: Convert to fraction form
    22,679.16/31,299.21 = 12,609.57/x
  3. Step 3: Cross multiply
    22,679.16x = 31,299.21 × 12,609.57
  4. Step 4: Simplify right side
    22,679.16x = 394,669,579.44
  5. Step 5: Solve for x
    x = 394,669,579.44/22,679.16
  6. Step 6: Final answer
    x = 17,402.30

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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.