Home / 16,253.94-22,427.72-9,879.44

Finding the Fourth Proportional to 16,253.94, 22,427.72 and 9,879.44

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Solution

The fourth proportional to 16,253.94, 22,427.72 and 9,879.44 is: 13,631.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,253.94 : 22,427.72 = 9,879.44 : x
  2. Step 2: Convert to fraction form
    16,253.94/22,427.72 = 9,879.44/x
  3. Step 3: Cross multiply
    16,253.94x = 22,427.72 × 9,879.44
  4. Step 4: Simplify right side
    16,253.94x = 221,573,314.08
  5. Step 5: Solve for x
    x = 221,573,314.08/16,253.94
  6. Step 6: Final answer
    x = 13,631.98

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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.