Home / 15,366.22-21,207.50-8,654.56

Finding the Fourth Proportional to 15,366.22, 21,207.50 and 8,654.56

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Solution

The fourth proportional to 15,366.22, 21,207.50 and 8,654.56 is: 11,944.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.22 : 21,207.50 = 8,654.56 : x
  2. Step 2: Convert to fraction form
    15,366.22/21,207.50 = 8,654.56/x
  3. Step 3: Cross multiply
    15,366.22x = 21,207.50 × 8,654.56
  4. Step 4: Simplify right side
    15,366.22x = 183,541,537.93
  5. Step 5: Solve for x
    x = 183,541,537.93/15,366.22
  6. Step 6: Final answer
    x = 11,944.48

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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.