Home / 13,531.50-20,297.29-5,323.50

Finding the Fourth Proportional to 13,531.50, 20,297.29 and 5,323.50

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Solution

The fourth proportional to 13,531.50, 20,297.29 and 5,323.50 is: 7,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.50 : 20,297.29 = 5,323.50 : x
  2. Step 2: Convert to fraction form
    13,531.50/20,297.29 = 5,323.50/x
  3. Step 3: Cross multiply
    13,531.50x = 20,297.29 × 5,323.50
  4. Step 4: Simplify right side
    13,531.50x = 108,052,623.32
  5. Step 5: Solve for x
    x = 108,052,623.32/13,531.50
  6. Step 6: Final answer
    x = 7,985.27

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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.