Home / 14,699.57-20,286.90-8,652.18

Finding the Fourth Proportional to 14,699.57, 20,286.90 and 8,652.18

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Solution

The fourth proportional to 14,699.57, 20,286.90 and 8,652.18 is: 11,940.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,699.57 : 20,286.90 = 8,652.18 : x
  2. Step 2: Convert to fraction form
    14,699.57/20,286.90 = 8,652.18/x
  3. Step 3: Cross multiply
    14,699.57x = 20,286.90 × 8,652.18
  4. Step 4: Simplify right side
    14,699.57x = 175,525,910.44
  5. Step 5: Solve for x
    x = 175,525,910.44/14,699.57
  6. Step 6: Final answer
    x = 11,940.89

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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.