Home / 13,637.85-20,460.96-11,287.14

Finding the Fourth Proportional to 13,637.85, 20,460.96 and 11,287.14

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Solution

The fourth proportional to 13,637.85, 20,460.96 and 11,287.14 is: 16,934.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.85 : 20,460.96 = 11,287.14 : x
  2. Step 2: Convert to fraction form
    13,637.85/20,460.96 = 11,287.14/x
  3. Step 3: Cross multiply
    13,637.85x = 20,460.96 × 11,287.14
  4. Step 4: Simplify right side
    13,637.85x = 230,945,720.05
  5. Step 5: Solve for x
    x = 230,945,720.05/13,637.85
  6. Step 6: Final answer
    x = 16,934.17

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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.