Home / 13,231.72-19,852.44-9,538.12

Finding the Fourth Proportional to 13,231.72, 19,852.44 and 9,538.12

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Solution

The fourth proportional to 13,231.72, 19,852.44 and 9,538.12 is: 14,310.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.72 : 19,852.44 = 9,538.12 : x
  2. Step 2: Convert to fraction form
    13,231.72/19,852.44 = 9,538.12/x
  3. Step 3: Cross multiply
    13,231.72x = 19,852.44 × 9,538.12
  4. Step 4: Simplify right side
    13,231.72x = 189,354,955.01
  5. Step 5: Solve for x
    x = 189,354,955.01/13,231.72
  6. Step 6: Final answer
    x = 14,310.68

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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.