Home / 13,839.48-20,751.24-9,462.24

Finding the Fourth Proportional to 13,839.48, 20,751.24 and 9,462.24

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Solution

The fourth proportional to 13,839.48, 20,751.24 and 9,462.24 is: 14,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.48 : 20,751.24 = 9,462.24 : x
  2. Step 2: Convert to fraction form
    13,839.48/20,751.24 = 9,462.24/x
  3. Step 3: Cross multiply
    13,839.48x = 20,751.24 × 9,462.24
  4. Step 4: Simplify right side
    13,839.48x = 196,353,213.18
  5. Step 5: Solve for x
    x = 196,353,213.18/13,839.48
  6. Step 6: Final answer
    x = 14,187.90

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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.