Home / 11,494.26-17,215.47-9,420.66

Finding the Fourth Proportional to 11,494.26, 17,215.47 and 9,420.66

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Solution

The fourth proportional to 11,494.26, 17,215.47 and 9,420.66 is: 14,109.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,494.26 : 17,215.47 = 9,420.66 : x
  2. Step 2: Convert to fraction form
    11,494.26/17,215.47 = 9,420.66/x
  3. Step 3: Cross multiply
    11,494.26x = 17,215.47 × 9,420.66
  4. Step 4: Simplify right side
    11,494.26x = 162,181,089.61
  5. Step 5: Solve for x
    x = 162,181,089.61/11,494.26
  6. Step 6: Final answer
    x = 14,109.75

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1.5x scale

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.