Home / 12,332.22-18,499.95-6,489.15

Finding the Fourth Proportional to 12,332.22, 18,499.95 and 6,489.15

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Solution

The fourth proportional to 12,332.22, 18,499.95 and 6,489.15 is: 9,734.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332.22 : 18,499.95 = 6,489.15 : x
  2. Step 2: Convert to fraction form
    12,332.22/18,499.95 = 6,489.15/x
  3. Step 3: Cross multiply
    12,332.22x = 18,499.95 × 6,489.15
  4. Step 4: Simplify right side
    12,332.22x = 120,048,950.54
  5. Step 5: Solve for x
    x = 120,048,950.54/12,332.22
  6. Step 6: Final answer
    x = 9,734.58

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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.