Home / 8,139.99-12,176.67-6,150.83

Finding the Fourth Proportional to 8,139.99, 12,176.67 and 6,150.83

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Solution

The fourth proportional to 8,139.99, 12,176.67 and 6,150.83 is: 9,201.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139.99 : 12,176.67 = 6,150.83 : x
  2. Step 2: Convert to fraction form
    8,139.99/12,176.67 = 6,150.83/x
  3. Step 3: Cross multiply
    8,139.99x = 12,176.67 × 6,150.83
  4. Step 4: Simplify right side
    8,139.99x = 74,896,566.25
  5. Step 5: Solve for x
    x = 74,896,566.25/8,139.99
  6. Step 6: Final answer
    x = 9,201.07

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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.