Home / 13,218.58-19,789.01-8,524.73

Finding the Fourth Proportional to 13,218.58, 19,789.01 and 8,524.73

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Solution

The fourth proportional to 13,218.58, 19,789.01 and 8,524.73 is: 12,762.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,218.58 : 19,789.01 = 8,524.73 : x
  2. Step 2: Convert to fraction form
    13,218.58/19,789.01 = 8,524.73/x
  3. Step 3: Cross multiply
    13,218.58x = 19,789.01 × 8,524.73
  4. Step 4: Simplify right side
    13,218.58x = 168,695,924.59
  5. Step 5: Solve for x
    x = 168,695,924.59/13,218.58
  6. Step 6: Final answer
    x = 12,762.04

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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.