Home / 11,064.24-16,629.30-8,177.40

Finding the Fourth Proportional to 11,064.24, 16,629.30 and 8,177.40

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Solution

The fourth proportional to 11,064.24, 16,629.30 and 8,177.40 is: 12,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,064.24 : 16,629.30 = 8,177.40 : x
  2. Step 2: Convert to fraction form
    11,064.24/16,629.30 = 8,177.40/x
  3. Step 3: Cross multiply
    11,064.24x = 16,629.30 × 8,177.40
  4. Step 4: Simplify right side
    11,064.24x = 135,984,437.82
  5. Step 5: Solve for x
    x = 135,984,437.82/11,064.24
  6. Step 6: Final answer
    x = 12,290.45

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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.