Home / 9,991.22-14,988.44-5,058.86

Finding the Fourth Proportional to 9,991.22, 14,988.44 and 5,058.86

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Solution

The fourth proportional to 9,991.22, 14,988.44 and 5,058.86 is: 7,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991.22 : 14,988.44 = 5,058.86 : x
  2. Step 2: Convert to fraction form
    9,991.22/14,988.44 = 5,058.86/x
  3. Step 3: Cross multiply
    9,991.22x = 14,988.44 × 5,058.86
  4. Step 4: Simplify right side
    9,991.22x = 75,824,357.28
  5. Step 5: Solve for x
    x = 75,824,357.28/9,991.22
  6. Step 6: Final answer
    x = 7,589.10

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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.