Home / 14,515.09-20,034.97-8,550.20

Finding the Fourth Proportional to 14,515.09, 20,034.97 and 8,550.20

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Solution

The fourth proportional to 14,515.09, 20,034.97 and 8,550.20 is: 11,801.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.09 : 20,034.97 = 8,550.20 : x
  2. Step 2: Convert to fraction form
    14,515.09/20,034.97 = 8,550.20/x
  3. Step 3: Cross multiply
    14,515.09x = 20,034.97 × 8,550.20
  4. Step 4: Simplify right side
    14,515.09x = 171,303,000.49
  5. Step 5: Solve for x
    x = 171,303,000.49/14,515.09
  6. Step 6: Final answer
    x = 11,801.72

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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.