Home / 16,905.28-25,350.22-9,005.79

Finding the Fourth Proportional to 16,905.28, 25,350.22 and 9,005.79

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Solution

The fourth proportional to 16,905.28, 25,350.22 and 9,005.79 is: 13,504.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.28 : 25,350.22 = 9,005.79 : x
  2. Step 2: Convert to fraction form
    16,905.28/25,350.22 = 9,005.79/x
  3. Step 3: Cross multiply
    16,905.28x = 25,350.22 × 9,005.79
  4. Step 4: Simplify right side
    16,905.28x = 228,298,757.77
  5. Step 5: Solve for x
    x = 228,298,757.77/16,905.28
  6. Step 6: Final answer
    x = 13,504.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.