Home / 18,904.23-28,360.56-5,757.62

Finding the Fourth Proportional to 18,904.23, 28,360.56 and 5,757.62

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Solution

The fourth proportional to 18,904.23, 28,360.56 and 5,757.62 is: 8,637.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.23 : 28,360.56 = 5,757.62 : x
  2. Step 2: Convert to fraction form
    18,904.23/28,360.56 = 5,757.62/x
  3. Step 3: Cross multiply
    18,904.23x = 28,360.56 × 5,757.62
  4. Step 4: Simplify right side
    18,904.23x = 163,289,207.26
  5. Step 5: Solve for x
    x = 163,289,207.26/18,904.23
  6. Step 6: Final answer
    x = 8,637.71

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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.