Home / 12,148.58-18,222.87-6,950.81

Finding the Fourth Proportional to 12,148.58, 18,222.87 and 6,950.81

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Solution

The fourth proportional to 12,148.58, 18,222.87 and 6,950.81 is: 10,426.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.58 : 18,222.87 = 6,950.81 : x
  2. Step 2: Convert to fraction form
    12,148.58/18,222.87 = 6,950.81/x
  3. Step 3: Cross multiply
    12,148.58x = 18,222.87 × 6,950.81
  4. Step 4: Simplify right side
    12,148.58x = 126,663,778.65
  5. Step 5: Solve for x
    x = 126,663,778.65/12,148.58
  6. Step 6: Final answer
    x = 10,426.22

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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.