Home / 12,818.08-19,220.30-6,575.56

Finding the Fourth Proportional to 12,818.08, 19,220.30 and 6,575.56

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Solution

The fourth proportional to 12,818.08, 19,220.30 and 6,575.56 is: 9,859.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,818.08 : 19,220.30 = 6,575.56 : x
  2. Step 2: Convert to fraction form
    12,818.08/19,220.30 = 6,575.56/x
  3. Step 3: Cross multiply
    12,818.08x = 19,220.30 × 6,575.56
  4. Step 4: Simplify right side
    12,818.08x = 126,384,235.87
  5. Step 5: Solve for x
    x = 126,384,235.87/12,818.08
  6. Step 6: Final answer
    x = 9,859.84

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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.