Home / 22,965.44-31,689.86-12,894.98

Finding the Fourth Proportional to 22,965.44, 31,689.86 and 12,894.98

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Solution

The fourth proportional to 22,965.44, 31,689.86 and 12,894.98 is: 17,793.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,965.44 : 31,689.86 = 12,894.98 : x
  2. Step 2: Convert to fraction form
    22,965.44/31,689.86 = 12,894.98/x
  3. Step 3: Cross multiply
    22,965.44x = 31,689.86 × 12,894.98
  4. Step 4: Simplify right side
    22,965.44x = 408,639,887.98
  5. Step 5: Solve for x
    x = 408,639,887.98/22,965.44
  6. Step 6: Final answer
    x = 17,793.69

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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.