Home / 13,496.32-20,230.80-5,174.20

Finding the Fourth Proportional to 13,496.32, 20,230.80 and 5,174.20

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Solution

The fourth proportional to 13,496.32, 20,230.80 and 5,174.20 is: 7,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.32 : 20,230.80 = 5,174.20 : x
  2. Step 2: Convert to fraction form
    13,496.32/20,230.80 = 5,174.20/x
  3. Step 3: Cross multiply
    13,496.32x = 20,230.80 × 5,174.20
  4. Step 4: Simplify right side
    13,496.32x = 104,678,205.36
  5. Step 5: Solve for x
    x = 104,678,205.36/13,496.32
  6. Step 6: Final answer
    x = 7,756.06

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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.