Home / 13,756.49-20,637.78-4,992.10

Finding the Fourth Proportional to 13,756.49, 20,637.78 and 4,992.10

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Solution

The fourth proportional to 13,756.49, 20,637.78 and 4,992.10 is: 7,489.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.49 : 20,637.78 = 4,992.10 : x
  2. Step 2: Convert to fraction form
    13,756.49/20,637.78 = 4,992.10/x
  3. Step 3: Cross multiply
    13,756.49x = 20,637.78 × 4,992.10
  4. Step 4: Simplify right side
    13,756.49x = 103,025,861.54
  5. Step 5: Solve for x
    x = 103,025,861.54/13,756.49
  6. Step 6: Final answer
    x = 7,489.26

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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.