Home / 18,842.06-28,243.32-6,357.78

Finding the Fourth Proportional to 18,842.06, 28,243.32 and 6,357.78

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Solution

The fourth proportional to 18,842.06, 28,243.32 and 6,357.78 is: 9,530.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842.06 : 28,243.32 = 6,357.78 : x
  2. Step 2: Convert to fraction form
    18,842.06/28,243.32 = 6,357.78/x
  3. Step 3: Cross multiply
    18,842.06x = 28,243.32 × 6,357.78
  4. Step 4: Simplify right side
    18,842.06x = 179,564,815.03
  5. Step 5: Solve for x
    x = 179,564,815.03/18,842.06
  6. Step 6: Final answer
    x = 9,530.00

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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.