Home / 16,928-23,360.84-9,374.48

Finding the Fourth Proportional to 16,928, 23,360.84 and 9,374.48

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Solution

The fourth proportional to 16,928, 23,360.84 and 9,374.48 is: 12,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,928 : 23,360.84 = 9,374.48 : x
  2. Step 2: Convert to fraction form
    16,928/23,360.84 = 9,374.48/x
  3. Step 3: Cross multiply
    16,928x = 23,360.84 × 9,374.48
  4. Step 4: Simplify right side
    16,928x = 218,995,727.36
  5. Step 5: Solve for x
    x = 218,995,727.36/16,928
  6. Step 6: Final answer
    x = 12,936.89

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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.