Home / 8,370.27-12,543.53-6,161.67

Finding the Fourth Proportional to 8,370.27, 12,543.53 and 6,161.67

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Solution

The fourth proportional to 8,370.27, 12,543.53 and 6,161.67 is: 9,233.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.27 : 12,543.53 = 6,161.67 : x
  2. Step 2: Convert to fraction form
    8,370.27/12,543.53 = 6,161.67/x
  3. Step 3: Cross multiply
    8,370.27x = 12,543.53 × 6,161.67
  4. Step 4: Simplify right side
    8,370.27x = 77,289,061.69
  5. Step 5: Solve for x
    x = 77,289,061.69/8,370.27
  6. Step 6: Final answer
    x = 9,233.76

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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.