Home / 15,214.77-20,996.43-8,500.68

Finding the Fourth Proportional to 15,214.77, 20,996.43 and 8,500.68

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Solution

The fourth proportional to 15,214.77, 20,996.43 and 8,500.68 is: 11,730.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,214.77 : 20,996.43 = 8,500.68 : x
  2. Step 2: Convert to fraction form
    15,214.77/20,996.43 = 8,500.68/x
  3. Step 3: Cross multiply
    15,214.77x = 20,996.43 × 8,500.68
  4. Step 4: Simplify right side
    15,214.77x = 178,483,932.57
  5. Step 5: Solve for x
    x = 178,483,932.57/15,214.77
  6. Step 6: Final answer
    x = 11,730.96

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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.