Home / 12,448.08-18,668.48-10,251.36

Finding the Fourth Proportional to 12,448.08, 18,668.48 and 10,251.36

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Solution

The fourth proportional to 12,448.08, 18,668.48 and 10,251.36 is: 15,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.08 : 18,668.48 = 10,251.36 : x
  2. Step 2: Convert to fraction form
    12,448.08/18,668.48 = 10,251.36/x
  3. Step 3: Cross multiply
    12,448.08x = 18,668.48 × 10,251.36
  4. Step 4: Simplify right side
    12,448.08x = 191,377,257.88
  5. Step 5: Solve for x
    x = 191,377,257.88/12,448.08
  6. Step 6: Final answer
    x = 15,374.04

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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.