Home / 18,378.24-27,551.16-13,692.39

Finding the Fourth Proportional to 18,378.24, 27,551.16 and 13,692.39

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Solution

The fourth proportional to 18,378.24, 27,551.16 and 13,692.39 is: 20,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378.24 : 27,551.16 = 13,692.39 : x
  2. Step 2: Convert to fraction form
    18,378.24/27,551.16 = 13,692.39/x
  3. Step 3: Cross multiply
    18,378.24x = 27,551.16 × 13,692.39
  4. Step 4: Simplify right side
    18,378.24x = 377,241,227.67
  5. Step 5: Solve for x
    x = 377,241,227.67/18,378.24
  6. Step 6: Final answer
    x = 20,526.52

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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.