Home / 19,992.15-29,959.07-11,229.57

Finding the Fourth Proportional to 19,992.15, 29,959.07 and 11,229.57

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Solution

The fourth proportional to 19,992.15, 29,959.07 and 11,229.57 is: 16,827.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.15 : 29,959.07 = 11,229.57 : x
  2. Step 2: Convert to fraction form
    19,992.15/29,959.07 = 11,229.57/x
  3. Step 3: Cross multiply
    19,992.15x = 29,959.07 × 11,229.57
  4. Step 4: Simplify right side
    19,992.15x = 336,427,417.55
  5. Step 5: Solve for x
    x = 336,427,417.55/19,992.15
  6. Step 6: Final answer
    x = 16,827.98

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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.