Home / 22,379.44-30,876.24-12,941.32

Finding the Fourth Proportional to 22,379.44, 30,876.24 and 12,941.32

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Solution

The fourth proportional to 22,379.44, 30,876.24 and 12,941.32 is: 17,854.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,379.44 : 30,876.24 = 12,941.32 : x
  2. Step 2: Convert to fraction form
    22,379.44/30,876.24 = 12,941.32/x
  3. Step 3: Cross multiply
    22,379.44x = 30,876.24 × 12,941.32
  4. Step 4: Simplify right side
    22,379.44x = 399,579,302.24
  5. Step 5: Solve for x
    x = 399,579,302.24/22,379.44
  6. Step 6: Final answer
    x = 17,854.75

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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.