Home / 19,351.20-29,026.82-5,311.42

Finding the Fourth Proportional to 19,351.20, 29,026.82 and 5,311.42

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Solution

The fourth proportional to 19,351.20, 29,026.82 and 5,311.42 is: 7,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.20 : 29,026.82 = 5,311.42 : x
  2. Step 2: Convert to fraction form
    19,351.20/29,026.82 = 5,311.42/x
  3. Step 3: Cross multiply
    19,351.20x = 29,026.82 × 5,311.42
  4. Step 4: Simplify right side
    19,351.20x = 154,173,573.00
  5. Step 5: Solve for x
    x = 154,173,573.00/19,351.20
  6. Step 6: Final answer
    x = 7,967.13

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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.