Home / 15,367.99-21,207.62-8,654.27

Finding the Fourth Proportional to 15,367.99, 21,207.62 and 8,654.27

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Solution

The fourth proportional to 15,367.99, 21,207.62 and 8,654.27 is: 11,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,367.99 : 21,207.62 = 8,654.27 : x
  2. Step 2: Convert to fraction form
    15,367.99/21,207.62 = 8,654.27/x
  3. Step 3: Cross multiply
    15,367.99x = 21,207.62 × 8,654.27
  4. Step 4: Simplify right side
    15,367.99x = 183,536,479.29
  5. Step 5: Solve for x
    x = 183,536,479.29/15,367.99
  6. Step 6: Final answer
    x = 11,942.78

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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.