Home / 22,782.96-34,172.64-7,200.72

Finding the Fourth Proportional to 22,782.96, 34,172.64 and 7,200.72

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Solution

The fourth proportional to 22,782.96, 34,172.64 and 7,200.72 is: 10,800.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,782.96 : 34,172.64 = 7,200.72 : x
  2. Step 2: Convert to fraction form
    22,782.96/34,172.64 = 7,200.72/x
  3. Step 3: Cross multiply
    22,782.96x = 34,172.64 × 7,200.72
  4. Step 4: Simplify right side
    22,782.96x = 246,067,612.30
  5. Step 5: Solve for x
    x = 246,067,612.30/22,782.96
  6. Step 6: Final answer
    x = 10,800.51

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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.