Home / 11,619.90-16,035.48-6,314.76

Finding the Fourth Proportional to 11,619.90, 16,035.48 and 6,314.76

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Solution

The fourth proportional to 11,619.90, 16,035.48 and 6,314.76 is: 8,714.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.90 : 16,035.48 = 6,314.76 : x
  2. Step 2: Convert to fraction form
    11,619.90/16,035.48 = 6,314.76/x
  3. Step 3: Cross multiply
    11,619.90x = 16,035.48 × 6,314.76
  4. Step 4: Simplify right side
    11,619.90x = 101,260,207.68
  5. Step 5: Solve for x
    x = 101,260,207.68/11,619.90
  6. Step 6: Final answer
    x = 8,714.38

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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.