Home / 15,166.20-22,749.30-13,999.80

Finding the Fourth Proportional to 15,166.20, 22,749.30 and 13,999.80

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Solution

The fourth proportional to 15,166.20, 22,749.30 and 13,999.80 is: 20,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,166.20 : 22,749.30 = 13,999.80 : x
  2. Step 2: Convert to fraction form
    15,166.20/22,749.30 = 13,999.80/x
  3. Step 3: Cross multiply
    15,166.20x = 22,749.30 × 13,999.80
  4. Step 4: Simplify right side
    15,166.20x = 318,485,650.14
  5. Step 5: Solve for x
    x = 318,485,650.14/15,166.20
  6. Step 6: Final answer
    x = 20,999.70

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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.