Home / 13,529.27-20,293.91-8,878.70

Finding the Fourth Proportional to 13,529.27, 20,293.91 and 8,878.70

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Solution

The fourth proportional to 13,529.27, 20,293.91 and 8,878.70 is: 13,318.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.27 : 20,293.91 = 8,878.70 : x
  2. Step 2: Convert to fraction form
    13,529.27/20,293.91 = 8,878.70/x
  3. Step 3: Cross multiply
    13,529.27x = 20,293.91 × 8,878.70
  4. Step 4: Simplify right side
    13,529.27x = 180,183,392.85
  5. Step 5: Solve for x
    x = 180,183,392.85/13,529.27
  6. Step 6: Final answer
    x = 13,318.05

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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.