Home / 11,688.93-16,132.11-6,654.36

Finding the Fourth Proportional to 11,688.93, 16,132.11 and 6,654.36

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Solution

The fourth proportional to 11,688.93, 16,132.11 and 6,654.36 is: 9,183.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.93 : 16,132.11 = 6,654.36 : x
  2. Step 2: Convert to fraction form
    11,688.93/16,132.11 = 6,654.36/x
  3. Step 3: Cross multiply
    11,688.93x = 16,132.11 × 6,654.36
  4. Step 4: Simplify right side
    11,688.93x = 107,348,867.50
  5. Step 5: Solve for x
    x = 107,348,867.50/11,688.93
  6. Step 6: Final answer
    x = 9,183.81

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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.