Home / 15,924.05-21,974.63-8,850

Finding the Fourth Proportional to 15,924.05, 21,974.63 and 8,850

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Solution

The fourth proportional to 15,924.05, 21,974.63 and 8,850 is: 12,212.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,924.05 : 21,974.63 = 8,850 : x
  2. Step 2: Convert to fraction form
    15,924.05/21,974.63 = 8,850/x
  3. Step 3: Cross multiply
    15,924.05x = 21,974.63 × 8,850
  4. Step 4: Simplify right side
    15,924.05x = 194,475,431.25
  5. Step 5: Solve for x
    x = 194,475,431.25/15,924.05
  6. Step 6: Final answer
    x = 12,212.69

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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.