Home / 12,544.47-18,819.79-8,853.91

Finding the Fourth Proportional to 12,544.47, 18,819.79 and 8,853.91

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Solution

The fourth proportional to 12,544.47, 18,819.79 and 8,853.91 is: 13,283.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.47 : 18,819.79 = 8,853.91 : x
  2. Step 2: Convert to fraction form
    12,544.47/18,819.79 = 8,853.91/x
  3. Step 3: Cross multiply
    12,544.47x = 18,819.79 × 8,853.91
  4. Step 4: Simplify right side
    12,544.47x = 166,628,707.50
  5. Step 5: Solve for x
    x = 166,628,707.50/12,544.47
  6. Step 6: Final answer
    x = 13,283.04

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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.