Home / 13,447.53-18,554.54-8,141.22

Finding the Fourth Proportional to 13,447.53, 18,554.54 and 8,141.22

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Solution

The fourth proportional to 13,447.53, 18,554.54 and 8,141.22 is: 11,233.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447.53 : 18,554.54 = 8,141.22 : x
  2. Step 2: Convert to fraction form
    13,447.53/18,554.54 = 8,141.22/x
  3. Step 3: Cross multiply
    13,447.53x = 18,554.54 × 8,141.22
  4. Step 4: Simplify right side
    13,447.53x = 151,056,551.43
  5. Step 5: Solve for x
    x = 151,056,551.43/13,447.53
  6. Step 6: Final answer
    x = 11,233.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.