Home / 14,938.07-20,613.71-8,222.61

Finding the Fourth Proportional to 14,938.07, 20,613.71 and 8,222.61

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Solution

The fourth proportional to 14,938.07, 20,613.71 and 8,222.61 is: 11,346.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,938.07 : 20,613.71 = 8,222.61 : x
  2. Step 2: Convert to fraction form
    14,938.07/20,613.71 = 8,222.61/x
  3. Step 3: Cross multiply
    14,938.07x = 20,613.71 × 8,222.61
  4. Step 4: Simplify right side
    14,938.07x = 169,498,518.54
  5. Step 5: Solve for x
    x = 169,498,518.54/14,938.07
  6. Step 6: Final answer
    x = 11,346.75

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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.