Home / 15,367.83-21,205.89-8,654.24

Finding the Fourth Proportional to 15,367.83, 21,205.89 and 8,654.24

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Solution

The fourth proportional to 15,367.83, 21,205.89 and 8,654.24 is: 11,941.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,367.83 : 21,205.89 = 8,654.24 : x
  2. Step 2: Convert to fraction form
    15,367.83/21,205.89 = 8,654.24/x
  3. Step 3: Cross multiply
    15,367.83x = 21,205.89 × 8,654.24
  4. Step 4: Simplify right side
    15,367.83x = 183,520,755.44
  5. Step 5: Solve for x
    x = 183,520,755.44/15,367.83
  6. Step 6: Final answer
    x = 11,941.88

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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.