Home / 16,251.96-22,427.64-9,178.26

Finding the Fourth Proportional to 16,251.96, 22,427.64 and 9,178.26

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Solution

The fourth proportional to 16,251.96, 22,427.64 and 9,178.26 is: 12,665.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,251.96 : 22,427.64 = 9,178.26 : x
  2. Step 2: Convert to fraction form
    16,251.96/22,427.64 = 9,178.26/x
  3. Step 3: Cross multiply
    16,251.96x = 22,427.64 × 9,178.26
  4. Step 4: Simplify right side
    16,251.96x = 205,846,711.11
  5. Step 5: Solve for x
    x = 205,846,711.11/16,251.96
  6. Step 6: Final answer
    x = 12,665.96

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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.