Home / 16,439.64-22,705.56-11,983.32

Finding the Fourth Proportional to 16,439.64, 22,705.56 and 11,983.32

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Solution

The fourth proportional to 16,439.64, 22,705.56 and 11,983.32 is: 16,550.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,439.64 : 22,705.56 = 11,983.32 : x
  2. Step 2: Convert to fraction form
    16,439.64/22,705.56 = 11,983.32/x
  3. Step 3: Cross multiply
    16,439.64x = 22,705.56 × 11,983.32
  4. Step 4: Simplify right side
    16,439.64x = 272,087,991.26
  5. Step 5: Solve for x
    x = 272,087,991.26/16,439.64
  6. Step 6: Final answer
    x = 16,550.73

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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.