Home / 16,039.08-22,135.14-8,965.35

Finding the Fourth Proportional to 16,039.08, 22,135.14 and 8,965.35

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Solution

The fourth proportional to 16,039.08, 22,135.14 and 8,965.35 is: 12,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,039.08 : 22,135.14 = 8,965.35 : x
  2. Step 2: Convert to fraction form
    16,039.08/22,135.14 = 8,965.35/x
  3. Step 3: Cross multiply
    16,039.08x = 22,135.14 × 8,965.35
  4. Step 4: Simplify right side
    16,039.08x = 198,449,277.40
  5. Step 5: Solve for x
    x = 198,449,277.40/16,039.08
  6. Step 6: Final answer
    x = 12,372.86

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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.