Home / 13,716.22-18,927.48-7,748.50

Finding the Fourth Proportional to 13,716.22, 18,927.48 and 7,748.50

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Solution

The fourth proportional to 13,716.22, 18,927.48 and 7,748.50 is: 10,692.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.22 : 18,927.48 = 7,748.50 : x
  2. Step 2: Convert to fraction form
    13,716.22/18,927.48 = 7,748.50/x
  3. Step 3: Cross multiply
    13,716.22x = 18,927.48 × 7,748.50
  4. Step 4: Simplify right side
    13,716.22x = 146,659,578.78
  5. Step 5: Solve for x
    x = 146,659,578.78/13,716.22
  6. Step 6: Final answer
    x = 10,692.42

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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.