Home / 13,524.34-20,287.42-5,623.80

Finding the Fourth Proportional to 13,524.34, 20,287.42 and 5,623.80

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Solution

The fourth proportional to 13,524.34, 20,287.42 and 5,623.80 is: 8,436.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.34 : 20,287.42 = 5,623.80 : x
  2. Step 2: Convert to fraction form
    13,524.34/20,287.42 = 5,623.80/x
  3. Step 3: Cross multiply
    13,524.34x = 20,287.42 × 5,623.80
  4. Step 4: Simplify right side
    13,524.34x = 114,092,392.60
  5. Step 5: Solve for x
    x = 114,092,392.60/13,524.34
  6. Step 6: Final answer
    x = 8,436.08

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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.