Home / 18,794.30-28,188.40-5,644.36

Finding the Fourth Proportional to 18,794.30, 28,188.40 and 5,644.36

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Solution

The fourth proportional to 18,794.30, 28,188.40 and 5,644.36 is: 8,465.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794.30 : 28,188.40 = 5,644.36 : x
  2. Step 2: Convert to fraction form
    18,794.30/28,188.40 = 5,644.36/x
  3. Step 3: Cross multiply
    18,794.30x = 28,188.40 × 5,644.36
  4. Step 4: Simplify right side
    18,794.30x = 159,105,477.42
  5. Step 5: Solve for x
    x = 159,105,477.42/18,794.30
  6. Step 6: Final answer
    x = 8,465.62

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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.