Home / 16,905.05-23,327.49-9,351.35

Finding the Fourth Proportional to 16,905.05, 23,327.49 and 9,351.35

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Solution

The fourth proportional to 16,905.05, 23,327.49 and 9,351.35 is: 12,904.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.05 : 23,327.49 = 9,351.35 : x
  2. Step 2: Convert to fraction form
    16,905.05/23,327.49 = 9,351.35/x
  3. Step 3: Cross multiply
    16,905.05x = 23,327.49 × 9,351.35
  4. Step 4: Simplify right side
    16,905.05x = 218,143,523.61
  5. Step 5: Solve for x
    x = 218,143,523.61/16,905.05
  6. Step 6: Final answer
    x = 12,904.04

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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.