Home / 14,629.08-20,186.88-8,659.68

Finding the Fourth Proportional to 14,629.08, 20,186.88 and 8,659.68

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Solution

The fourth proportional to 14,629.08, 20,186.88 and 8,659.68 is: 11,949.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,629.08 : 20,186.88 = 8,659.68 : x
  2. Step 2: Convert to fraction form
    14,629.08/20,186.88 = 8,659.68/x
  3. Step 3: Cross multiply
    14,629.08x = 20,186.88 × 8,659.68
  4. Step 4: Simplify right side
    14,629.08x = 174,811,921.00
  5. Step 5: Solve for x
    x = 174,811,921.00/14,629.08
  6. Step 6: Final answer
    x = 11,949.62

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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.