Home / 19,489.06-29,235.30-5,449.24

Finding the Fourth Proportional to 19,489.06, 29,235.30 and 5,449.24

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Solution

The fourth proportional to 19,489.06, 29,235.30 and 5,449.24 is: 8,174.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,489.06 : 29,235.30 = 5,449.24 : x
  2. Step 2: Convert to fraction form
    19,489.06/29,235.30 = 5,449.24/x
  3. Step 3: Cross multiply
    19,489.06x = 29,235.30 × 5,449.24
  4. Step 4: Simplify right side
    19,489.06x = 159,310,166.17
  5. Step 5: Solve for x
    x = 159,310,166.17/19,489.06
  6. Step 6: Final answer
    x = 8,174.34

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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.