Home / 13,637.82-20,460.65-11,286.93

Finding the Fourth Proportional to 13,637.82, 20,460.65 and 11,286.93

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Solution

The fourth proportional to 13,637.82, 20,460.65 and 11,286.93 is: 16,933.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.82 : 20,460.65 = 11,286.93 : x
  2. Step 2: Convert to fraction form
    13,637.82/20,460.65 = 11,286.93/x
  3. Step 3: Cross multiply
    13,637.82x = 20,460.65 × 11,286.93
  4. Step 4: Simplify right side
    13,637.82x = 230,937,867.87
  5. Step 5: Solve for x
    x = 230,937,867.87/13,637.82
  6. Step 6: Final answer
    x = 16,933.64

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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.