Home / 10,215.33-14,098.68-6,238.74

Finding the Fourth Proportional to 10,215.33, 14,098.68 and 6,238.74

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Solution

The fourth proportional to 10,215.33, 14,098.68 and 6,238.74 is: 8,610.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215.33 : 14,098.68 = 6,238.74 : x
  2. Step 2: Convert to fraction form
    10,215.33/14,098.68 = 6,238.74/x
  3. Step 3: Cross multiply
    10,215.33x = 14,098.68 × 6,238.74
  4. Step 4: Simplify right side
    10,215.33x = 87,957,998.86
  5. Step 5: Solve for x
    x = 87,957,998.86/10,215.33
  6. Step 6: Final answer
    x = 8,610.39

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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.