Home / 22,939.38-34,369.20-12,416.63

Finding the Fourth Proportional to 22,939.38, 34,369.20 and 12,416.63

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Solution

The fourth proportional to 22,939.38, 34,369.20 and 12,416.63 is: 18,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,939.38 : 34,369.20 = 12,416.63 : x
  2. Step 2: Convert to fraction form
    22,939.38/34,369.20 = 12,416.63/x
  3. Step 3: Cross multiply
    22,939.38x = 34,369.20 × 12,416.63
  4. Step 4: Simplify right side
    22,939.38x = 426,749,467.95
  5. Step 5: Solve for x
    x = 426,749,467.95/22,939.38
  6. Step 6: Final answer
    x = 18,603.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.