Home / 10,221.17-14,105.34-6,187.94

Finding the Fourth Proportional to 10,221.17, 14,105.34 and 6,187.94

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Solution

The fourth proportional to 10,221.17, 14,105.34 and 6,187.94 is: 8,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.17 : 14,105.34 = 6,187.94 : x
  2. Step 2: Convert to fraction form
    10,221.17/14,105.34 = 6,187.94/x
  3. Step 3: Cross multiply
    10,221.17x = 14,105.34 × 6,187.94
  4. Step 4: Simplify right side
    10,221.17x = 87,283,032.86
  5. Step 5: Solve for x
    x = 87,283,032.86/10,221.17
  6. Step 6: Final answer
    x = 8,539.43

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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.