Home / 10,781.36-16,172.49-3,762.08

Finding the Fourth Proportional to 10,781.36, 16,172.49 and 3,762.08

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Solution

The fourth proportional to 10,781.36, 16,172.49 and 3,762.08 is: 5,643.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.36 : 16,172.49 = 3,762.08 : x
  2. Step 2: Convert to fraction form
    10,781.36/16,172.49 = 3,762.08/x
  3. Step 3: Cross multiply
    10,781.36x = 16,172.49 × 3,762.08
  4. Step 4: Simplify right side
    10,781.36x = 60,842,120.32
  5. Step 5: Solve for x
    x = 60,842,120.32/10,781.36
  6. Step 6: Final answer
    x = 5,643.27

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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.