Home / 10,705.38-14,773.53-6,456.66

Finding the Fourth Proportional to 10,705.38, 14,773.53 and 6,456.66

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Solution

The fourth proportional to 10,705.38, 14,773.53 and 6,456.66 is: 8,910.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,705.38 : 14,773.53 = 6,456.66 : x
  2. Step 2: Convert to fraction form
    10,705.38/14,773.53 = 6,456.66/x
  3. Step 3: Cross multiply
    10,705.38x = 14,773.53 × 6,456.66
  4. Step 4: Simplify right side
    10,705.38x = 95,387,660.21
  5. Step 5: Solve for x
    x = 95,387,660.21/10,705.38
  6. Step 6: Final answer
    x = 8,910.25

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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.