Home / 16,065.84-22,170.71-8,992.32

Finding the Fourth Proportional to 16,065.84, 22,170.71 and 8,992.32

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Solution

The fourth proportional to 16,065.84, 22,170.71 and 8,992.32 is: 12,409.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,065.84 : 22,170.71 = 8,992.32 : x
  2. Step 2: Convert to fraction form
    16,065.84/22,170.71 = 8,992.32/x
  3. Step 3: Cross multiply
    16,065.84x = 22,170.71 × 8,992.32
  4. Step 4: Simplify right side
    16,065.84x = 199,366,073.99
  5. Step 5: Solve for x
    x = 199,366,073.99/16,065.84
  6. Step 6: Final answer
    x = 12,409.32

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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.