Home / 14,627.04-20,183.76-8,659.20

Finding the Fourth Proportional to 14,627.04, 20,183.76 and 8,659.20

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Solution

The fourth proportional to 14,627.04, 20,183.76 and 8,659.20 is: 11,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,627.04 : 20,183.76 = 8,659.20 : x
  2. Step 2: Convert to fraction form
    14,627.04/20,183.76 = 8,659.20/x
  3. Step 3: Cross multiply
    14,627.04x = 20,183.76 × 8,659.20
  4. Step 4: Simplify right side
    14,627.04x = 174,775,214.59
  5. Step 5: Solve for x
    x = 174,775,214.59/14,627.04
  6. Step 6: Final answer
    x = 11,948.78

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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.