Home / 18,842.28-28,246.14-8,448.36

Finding the Fourth Proportional to 18,842.28, 28,246.14 and 8,448.36

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Solution

The fourth proportional to 18,842.28, 28,246.14 and 8,448.36 is: 12,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842.28 : 28,246.14 = 8,448.36 : x
  2. Step 2: Convert to fraction form
    18,842.28/28,246.14 = 8,448.36/x
  3. Step 3: Cross multiply
    18,842.28x = 28,246.14 × 8,448.36
  4. Step 4: Simplify right side
    18,842.28x = 238,633,559.33
  5. Step 5: Solve for x
    x = 238,633,559.33/18,842.28
  6. Step 6: Final answer
    x = 12,664.79

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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.