Home / 18,433.58-27,646.65-5,282.42

Finding the Fourth Proportional to 18,433.58, 27,646.65 and 5,282.42

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Solution

The fourth proportional to 18,433.58, 27,646.65 and 5,282.42 is: 7,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.58 : 27,646.65 = 5,282.42 : x
  2. Step 2: Convert to fraction form
    18,433.58/27,646.65 = 5,282.42/x
  3. Step 3: Cross multiply
    18,433.58x = 27,646.65 × 5,282.42
  4. Step 4: Simplify right side
    18,433.58x = 146,041,078.66
  5. Step 5: Solve for x
    x = 146,041,078.66/18,433.58
  6. Step 6: Final answer
    x = 7,922.56

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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.