Home / 13,496.19-20,244.29-7,247.61

Finding the Fourth Proportional to 13,496.19, 20,244.29 and 7,247.61

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Solution

The fourth proportional to 13,496.19, 20,244.29 and 7,247.61 is: 10,871.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.19 : 20,244.29 = 7,247.61 : x
  2. Step 2: Convert to fraction form
    13,496.19/20,244.29 = 7,247.61/x
  3. Step 3: Cross multiply
    13,496.19x = 20,244.29 × 7,247.61
  4. Step 4: Simplify right side
    13,496.19x = 146,722,736.77
  5. Step 5: Solve for x
    x = 146,722,736.77/13,496.19
  6. Step 6: Final answer
    x = 10,871.42

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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.