Home / 12,206.07-18,296.76-4,807.65

Finding the Fourth Proportional to 12,206.07, 18,296.76 and 4,807.65

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Solution

The fourth proportional to 12,206.07, 18,296.76 and 4,807.65 is: 7,206.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.07 : 18,296.76 = 4,807.65 : x
  2. Step 2: Convert to fraction form
    12,206.07/18,296.76 = 4,807.65/x
  3. Step 3: Cross multiply
    12,206.07x = 18,296.76 × 4,807.65
  4. Step 4: Simplify right side
    12,206.07x = 87,964,418.21
  5. Step 5: Solve for x
    x = 87,964,418.21/12,206.07
  6. Step 6: Final answer
    x = 7,206.61

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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.