Home / 18,332.09-27,479.67-7,234.49

Finding the Fourth Proportional to 18,332.09, 27,479.67 and 7,234.49

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Solution

The fourth proportional to 18,332.09, 27,479.67 and 7,234.49 is: 10,844.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,332.09 : 27,479.67 = 7,234.49 : x
  2. Step 2: Convert to fraction form
    18,332.09/27,479.67 = 7,234.49/x
  3. Step 3: Cross multiply
    18,332.09x = 27,479.67 × 7,234.49
  4. Step 4: Simplify right side
    18,332.09x = 198,801,397.82
  5. Step 5: Solve for x
    x = 198,801,397.82/18,332.09
  6. Step 6: Final answer
    x = 10,844.45

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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.