Home / 12,362.90-18,527.00-6,818.85

Finding the Fourth Proportional to 12,362.90, 18,527.00 and 6,818.85

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Solution

The fourth proportional to 12,362.90, 18,527.00 and 6,818.85 is: 10,218.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362.90 : 18,527.00 = 6,818.85 : x
  2. Step 2: Convert to fraction form
    12,362.90/18,527.00 = 6,818.85/x
  3. Step 3: Cross multiply
    12,362.90x = 18,527.00 × 6,818.85
  4. Step 4: Simplify right side
    12,362.90x = 126,332,799.86
  5. Step 5: Solve for x
    x = 126,332,799.86/12,362.90
  6. Step 6: Final answer
    x = 10,218.71

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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.