Home / 16,643.50-22,936.23-11,919.58

Finding the Fourth Proportional to 16,643.50, 22,936.23 and 11,919.58

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Solution

The fourth proportional to 16,643.50, 22,936.23 and 11,919.58 is: 16,426.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,643.50 : 22,936.23 = 11,919.58 : x
  2. Step 2: Convert to fraction form
    16,643.50/22,936.23 = 11,919.58/x
  3. Step 3: Cross multiply
    16,643.50x = 22,936.23 × 11,919.58
  4. Step 4: Simplify right side
    16,643.50x = 273,390,171.04
  5. Step 5: Solve for x
    x = 273,390,171.04/16,643.50
  6. Step 6: Final answer
    x = 16,426.25

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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.