Home / 16,219.32-22,317.66-12,440.97

Finding the Fourth Proportional to 16,219.32, 22,317.66 and 12,440.97

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Solution

The fourth proportional to 16,219.32, 22,317.66 and 12,440.97 is: 17,118.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,219.32 : 22,317.66 = 12,440.97 : x
  2. Step 2: Convert to fraction form
    16,219.32/22,317.66 = 12,440.97/x
  3. Step 3: Cross multiply
    16,219.32x = 22,317.66 × 12,440.97
  4. Step 4: Simplify right side
    16,219.32x = 277,653,338.53
  5. Step 5: Solve for x
    x = 277,653,338.53/16,219.32
  6. Step 6: Final answer
    x = 17,118.68

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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.