Home / 11,688.41-16,130.87-6,654.26

Finding the Fourth Proportional to 11,688.41, 16,130.87 and 6,654.26

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Solution

The fourth proportional to 11,688.41, 16,130.87 and 6,654.26 is: 9,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.41 : 16,130.87 = 6,654.26 : x
  2. Step 2: Convert to fraction form
    11,688.41/16,130.87 = 6,654.26/x
  3. Step 3: Cross multiply
    11,688.41x = 16,130.87 × 6,654.26
  4. Step 4: Simplify right side
    11,688.41x = 107,339,003.01
  5. Step 5: Solve for x
    x = 107,339,003.01/11,688.41
  6. Step 6: Final answer
    x = 9,183.37

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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.