Home / 10,734.96-14,818.44-8,216.92

Finding the Fourth Proportional to 10,734.96, 14,818.44 and 8,216.92

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Solution

The fourth proportional to 10,734.96, 14,818.44 and 8,216.92 is: 11,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,734.96 : 14,818.44 = 8,216.92 : x
  2. Step 2: Convert to fraction form
    10,734.96/14,818.44 = 8,216.92/x
  3. Step 3: Cross multiply
    10,734.96x = 14,818.44 × 8,216.92
  4. Step 4: Simplify right side
    10,734.96x = 121,761,936.00
  5. Step 5: Solve for x
    x = 121,761,936.00/10,734.96
  6. Step 6: Final answer
    x = 11,342.56

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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.