Home / 16,947.93-23,374.32-11,928.78

Finding the Fourth Proportional to 16,947.93, 23,374.32 and 11,928.78

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Solution

The fourth proportional to 16,947.93, 23,374.32 and 11,928.78 is: 16,451.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,947.93 : 23,374.32 = 11,928.78 : x
  2. Step 2: Convert to fraction form
    16,947.93/23,374.32 = 11,928.78/x
  3. Step 3: Cross multiply
    16,947.93x = 23,374.32 × 11,928.78
  4. Step 4: Simplify right side
    16,947.93x = 278,827,120.93
  5. Step 5: Solve for x
    x = 278,827,120.93/16,947.93
  6. Step 6: Final answer
    x = 16,451.99

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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.