Home / 13,157.13-19,735.80-3,797.16

Finding the Fourth Proportional to 13,157.13, 19,735.80 and 3,797.16

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Solution

The fourth proportional to 13,157.13, 19,735.80 and 3,797.16 is: 5,695.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157.13 : 19,735.80 = 3,797.16 : x
  2. Step 2: Convert to fraction form
    13,157.13/19,735.80 = 3,797.16/x
  3. Step 3: Cross multiply
    13,157.13x = 19,735.80 × 3,797.16
  4. Step 4: Simplify right side
    13,157.13x = 74,939,990.33
  5. Step 5: Solve for x
    x = 74,939,990.33/13,157.13
  6. Step 6: Final answer
    x = 5,695.77

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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.