Home / 18,824.05-28,238.68-6,347.64

Finding the Fourth Proportional to 18,824.05, 28,238.68 and 6,347.64

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Solution

The fourth proportional to 18,824.05, 28,238.68 and 6,347.64 is: 9,522.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.05 : 28,238.68 = 6,347.64 : x
  2. Step 2: Convert to fraction form
    18,824.05/28,238.68 = 6,347.64/x
  3. Step 3: Cross multiply
    18,824.05x = 28,238.68 × 6,347.64
  4. Step 4: Simplify right side
    18,824.05x = 179,248,974.72
  5. Step 5: Solve for x
    x = 179,248,974.72/18,824.05
  6. Step 6: Final answer
    x = 9,522.34

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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.