Home / 11,079.22-15,304.24-10,291.90

Finding the Fourth Proportional to 11,079.22, 15,304.24 and 10,291.90

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Solution

The fourth proportional to 11,079.22, 15,304.24 and 10,291.90 is: 14,216.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.22 : 15,304.24 = 10,291.90 : x
  2. Step 2: Convert to fraction form
    11,079.22/15,304.24 = 10,291.90/x
  3. Step 3: Cross multiply
    11,079.22x = 15,304.24 × 10,291.90
  4. Step 4: Simplify right side
    11,079.22x = 157,509,707.66
  5. Step 5: Solve for x
    x = 157,509,707.66/11,079.22
  6. Step 6: Final answer
    x = 14,216.68

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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.