Home / 13,529.09-20,293.62-8,878.52

Finding the Fourth Proportional to 13,529.09, 20,293.62 and 8,878.52

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Solution

The fourth proportional to 13,529.09, 20,293.62 and 8,878.52 is: 13,317.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.09 : 20,293.62 = 8,878.52 : x
  2. Step 2: Convert to fraction form
    13,529.09/20,293.62 = 8,878.52/x
  3. Step 3: Cross multiply
    13,529.09x = 20,293.62 × 8,878.52
  4. Step 4: Simplify right side
    13,529.09x = 180,177,209.57
  5. Step 5: Solve for x
    x = 180,177,209.57/13,529.09
  6. Step 6: Final answer
    x = 13,317.77

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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.