Home / 13,549.04-20,324.09-4,188.22

Finding the Fourth Proportional to 13,549.04, 20,324.09 and 4,188.22

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Solution

The fourth proportional to 13,549.04, 20,324.09 and 4,188.22 is: 6,282.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.04 : 20,324.09 = 4,188.22 : x
  2. Step 2: Convert to fraction form
    13,549.04/20,324.09 = 4,188.22/x
  3. Step 3: Cross multiply
    13,549.04x = 20,324.09 × 4,188.22
  4. Step 4: Simplify right side
    13,549.04x = 85,121,658.60
  5. Step 5: Solve for x
    x = 85,121,658.60/13,549.04
  6. Step 6: Final answer
    x = 6,282.49

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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.