Home / 11,679.18-16,117.56-6,374.22

Finding the Fourth Proportional to 11,679.18, 16,117.56 and 6,374.22

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Solution

The fourth proportional to 11,679.18, 16,117.56 and 6,374.22 is: 8,796.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.18 : 16,117.56 = 6,374.22 : x
  2. Step 2: Convert to fraction form
    11,679.18/16,117.56 = 6,374.22/x
  3. Step 3: Cross multiply
    11,679.18x = 16,117.56 × 6,374.22
  4. Step 4: Simplify right side
    11,679.18x = 102,736,873.30
  5. Step 5: Solve for x
    x = 102,736,873.30/11,679.18
  6. Step 6: Final answer
    x = 8,796.58

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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.