Home / 15,214.29-20,996.55-8,499.93

Finding the Fourth Proportional to 15,214.29, 20,996.55 and 8,499.93

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Solution

The fourth proportional to 15,214.29, 20,996.55 and 8,499.93 is: 11,730.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,214.29 : 20,996.55 = 8,499.93 : x
  2. Step 2: Convert to fraction form
    15,214.29/20,996.55 = 8,499.93/x
  3. Step 3: Cross multiply
    15,214.29x = 20,996.55 × 8,499.93
  4. Step 4: Simplify right side
    15,214.29x = 178,469,205.24
  5. Step 5: Solve for x
    x = 178,469,205.24/15,214.29
  6. Step 6: Final answer
    x = 11,730.37

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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.