Home / 17,118.88-23,624.40-9,665.44

Finding the Fourth Proportional to 17,118.88, 23,624.40 and 9,665.44

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Solution

The fourth proportional to 17,118.88, 23,624.40 and 9,665.44 is: 13,338.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,118.88 : 23,624.40 = 9,665.44 : x
  2. Step 2: Convert to fraction form
    17,118.88/23,624.40 = 9,665.44/x
  3. Step 3: Cross multiply
    17,118.88x = 23,624.40 × 9,665.44
  4. Step 4: Simplify right side
    17,118.88x = 228,340,220.74
  5. Step 5: Solve for x
    x = 228,340,220.74/17,118.88
  6. Step 6: Final answer
    x = 13,338.50

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Half scale
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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.