Home / 13,577.63-18,716.62-11,679.04

Finding the Fourth Proportional to 13,577.63, 18,716.62 and 11,679.04

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Solution

The fourth proportional to 13,577.63, 18,716.62 and 11,679.04 is: 16,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.63 : 18,716.62 = 11,679.04 : x
  2. Step 2: Convert to fraction form
    13,577.63/18,716.62 = 11,679.04/x
  3. Step 3: Cross multiply
    13,577.63x = 18,716.62 × 11,679.04
  4. Step 4: Simplify right side
    13,577.63x = 218,592,064.46
  5. Step 5: Solve for x
    x = 218,592,064.46/13,577.63
  6. Step 6: Final answer
    x = 16,099.43

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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.