Home / 13,724.09-20,547.21-9,029.96

Finding the Fourth Proportional to 13,724.09, 20,547.21 and 9,029.96

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Solution

The fourth proportional to 13,724.09, 20,547.21 and 9,029.96 is: 13,519.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.09 : 20,547.21 = 9,029.96 : x
  2. Step 2: Convert to fraction form
    13,724.09/20,547.21 = 9,029.96/x
  3. Step 3: Cross multiply
    13,724.09x = 20,547.21 × 9,029.96
  4. Step 4: Simplify right side
    13,724.09x = 185,540,468.83
  5. Step 5: Solve for x
    x = 185,540,468.83/13,724.09
  6. Step 6: Final answer
    x = 13,519.33

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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.