Home / 12,821.35-19,197.27-6,652.39

Finding the Fourth Proportional to 12,821.35, 19,197.27 and 6,652.39

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Solution

The fourth proportional to 12,821.35, 19,197.27 and 6,652.39 is: 9,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821.35 : 19,197.27 = 6,652.39 : x
  2. Step 2: Convert to fraction form
    12,821.35/19,197.27 = 6,652.39/x
  3. Step 3: Cross multiply
    12,821.35x = 19,197.27 × 6,652.39
  4. Step 4: Simplify right side
    12,821.35x = 127,707,726.98
  5. Step 5: Solve for x
    x = 127,707,726.98/12,821.35
  6. Step 6: Final answer
    x = 9,960.55

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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.