Home / 13,531.34-20,297.20-4,766.36

Finding the Fourth Proportional to 13,531.34, 20,297.20 and 4,766.36

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Solution

The fourth proportional to 13,531.34, 20,297.20 and 4,766.36 is: 7,149.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.34 : 20,297.20 = 4,766.36 : x
  2. Step 2: Convert to fraction form
    13,531.34/20,297.20 = 4,766.36/x
  3. Step 3: Cross multiply
    13,531.34x = 20,297.20 × 4,766.36
  4. Step 4: Simplify right side
    13,531.34x = 96,743,762.19
  5. Step 5: Solve for x
    x = 96,743,762.19/13,531.34
  6. Step 6: Final answer
    x = 7,149.61

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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.