Home / 13,396-20,090.13-4,510.36

Finding the Fourth Proportional to 13,396, 20,090.13 and 4,510.36

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Solution

The fourth proportional to 13,396, 20,090.13 and 4,510.36 is: 6,764.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,396 : 20,090.13 = 4,510.36 : x
  2. Step 2: Convert to fraction form
    13,396/20,090.13 = 4,510.36/x
  3. Step 3: Cross multiply
    13,396x = 20,090.13 × 4,510.36
  4. Step 4: Simplify right side
    13,396x = 90,613,718.75
  5. Step 5: Solve for x
    x = 90,613,718.75/13,396
  6. Step 6: Final answer
    x = 6,764.24

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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.