Home / 10,998.21-15,177.13-6,519.32

Finding the Fourth Proportional to 10,998.21, 15,177.13 and 6,519.32

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Solution

The fourth proportional to 10,998.21, 15,177.13 and 6,519.32 is: 8,996.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.21 : 15,177.13 = 6,519.32 : x
  2. Step 2: Convert to fraction form
    10,998.21/15,177.13 = 6,519.32/x
  3. Step 3: Cross multiply
    10,998.21x = 15,177.13 × 6,519.32
  4. Step 4: Simplify right side
    10,998.21x = 98,944,491.27
  5. Step 5: Solve for x
    x = 98,944,491.27/10,998.21
  6. Step 6: Final answer
    x = 8,996.42

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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.