Home / 18,396.30-27,594.58-5,248.78

Finding the Fourth Proportional to 18,396.30, 27,594.58 and 5,248.78

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Solution

The fourth proportional to 18,396.30, 27,594.58 and 5,248.78 is: 7,873.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396.30 : 27,594.58 = 5,248.78 : x
  2. Step 2: Convert to fraction form
    18,396.30/27,594.58 = 5,248.78/x
  3. Step 3: Cross multiply
    18,396.30x = 27,594.58 × 5,248.78
  4. Step 4: Simplify right side
    18,396.30x = 144,837,879.61
  5. Step 5: Solve for x
    x = 144,837,879.61/18,396.30
  6. Step 6: Final answer
    x = 7,873.21

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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.