Home / 15,230.82-22,838.40-5,612.88

Finding the Fourth Proportional to 15,230.82, 22,838.40 and 5,612.88

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Solution

The fourth proportional to 15,230.82, 22,838.40 and 5,612.88 is: 8,416.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,230.82 : 22,838.40 = 5,612.88 : x
  2. Step 2: Convert to fraction form
    15,230.82/22,838.40 = 5,612.88/x
  3. Step 3: Cross multiply
    15,230.82x = 22,838.40 × 5,612.88
  4. Step 4: Simplify right side
    15,230.82x = 128,189,198.59
  5. Step 5: Solve for x
    x = 128,189,198.59/15,230.82
  6. Step 6: Final answer
    x = 8,416.43

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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.