Home / 13,529.13-20,279.79-6,498.60

Finding the Fourth Proportional to 13,529.13, 20,279.79 and 6,498.60

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Solution

The fourth proportional to 13,529.13, 20,279.79 and 6,498.60 is: 9,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.13 : 20,279.79 = 6,498.60 : x
  2. Step 2: Convert to fraction form
    13,529.13/20,279.79 = 6,498.60/x
  3. Step 3: Cross multiply
    13,529.13x = 20,279.79 × 6,498.60
  4. Step 4: Simplify right side
    13,529.13x = 131,790,243.29
  5. Step 5: Solve for x
    x = 131,790,243.29/13,529.13
  6. Step 6: Final answer
    x = 9,741.22

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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.