Home / 12,222.70-16,867.24-6,917.41

Finding the Fourth Proportional to 12,222.70, 16,867.24 and 6,917.41

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Solution

The fourth proportional to 12,222.70, 16,867.24 and 6,917.41 is: 9,545.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222.70 : 16,867.24 = 6,917.41 : x
  2. Step 2: Convert to fraction form
    12,222.70/16,867.24 = 6,917.41/x
  3. Step 3: Cross multiply
    12,222.70x = 16,867.24 × 6,917.41
  4. Step 4: Simplify right side
    12,222.70x = 116,677,614.65
  5. Step 5: Solve for x
    x = 116,677,614.65/12,222.70
  6. Step 6: Final answer
    x = 9,545.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.