Home / 19,351.26-29,026.89-5,311.35

Finding the Fourth Proportional to 19,351.26, 29,026.89 and 5,311.35

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Solution

The fourth proportional to 19,351.26, 29,026.89 and 5,311.35 is: 7,967.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.26 : 29,026.89 = 5,311.35 : x
  2. Step 2: Convert to fraction form
    19,351.26/29,026.89 = 5,311.35/x
  3. Step 3: Cross multiply
    19,351.26x = 29,026.89 × 5,311.35
  4. Step 4: Simplify right side
    19,351.26x = 154,171,972.20
  5. Step 5: Solve for x
    x = 154,171,972.20/19,351.26
  6. Step 6: Final answer
    x = 7,967.03

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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.