Home / 13,552.07-20,328.30-3,692.34

Finding the Fourth Proportional to 13,552.07, 20,328.30 and 3,692.34

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Solution

The fourth proportional to 13,552.07, 20,328.30 and 3,692.34 is: 5,538.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.07 : 20,328.30 = 3,692.34 : x
  2. Step 2: Convert to fraction form
    13,552.07/20,328.30 = 3,692.34/x
  3. Step 3: Cross multiply
    13,552.07x = 20,328.30 × 3,692.34
  4. Step 4: Simplify right side
    13,552.07x = 75,058,995.22
  5. Step 5: Solve for x
    x = 75,058,995.22/13,552.07
  6. Step 6: Final answer
    x = 5,538.57

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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.