Home / 13,659.59-20,489.45-4,299.23

Finding the Fourth Proportional to 13,659.59, 20,489.45 and 4,299.23

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Solution

The fourth proportional to 13,659.59, 20,489.45 and 4,299.23 is: 6,448.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659.59 : 20,489.45 = 4,299.23 : x
  2. Step 2: Convert to fraction form
    13,659.59/20,489.45 = 4,299.23/x
  3. Step 3: Cross multiply
    13,659.59x = 20,489.45 × 4,299.23
  4. Step 4: Simplify right side
    13,659.59x = 88,088,734.18
  5. Step 5: Solve for x
    x = 88,088,734.18/13,659.59
  6. Step 6: Final answer
    x = 6,448.86

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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.