Home / 13,637.41-20,456.11-3,776.69

Finding the Fourth Proportional to 13,637.41, 20,456.11 and 3,776.69

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Solution

The fourth proportional to 13,637.41, 20,456.11 and 3,776.69 is: 5,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.41 : 20,456.11 = 3,776.69 : x
  2. Step 2: Convert to fraction form
    13,637.41/20,456.11 = 3,776.69/x
  3. Step 3: Cross multiply
    13,637.41x = 20,456.11 × 3,776.69
  4. Step 4: Simplify right side
    13,637.41x = 77,256,283.80
  5. Step 5: Solve for x
    x = 77,256,283.80/13,637.41
  6. Step 6: Final answer
    x = 5,665.03

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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.