Home / 11,166.48-16,724.64-8,681.76

Finding the Fourth Proportional to 11,166.48, 16,724.64 and 8,681.76

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Solution

The fourth proportional to 11,166.48, 16,724.64 and 8,681.76 is: 13,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.48 : 16,724.64 = 8,681.76 : x
  2. Step 2: Convert to fraction form
    11,166.48/16,724.64 = 8,681.76/x
  3. Step 3: Cross multiply
    11,166.48x = 16,724.64 × 8,681.76
  4. Step 4: Simplify right side
    11,166.48x = 145,199,310.57
  5. Step 5: Solve for x
    x = 145,199,310.57/11,166.48
  6. Step 6: Final answer
    x = 13,003.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.