Home / 11,165.37-15,408.84-6,692.28

Finding the Fourth Proportional to 11,165.37, 15,408.84 and 6,692.28

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Solution

The fourth proportional to 11,165.37, 15,408.84 and 6,692.28 is: 9,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.37 : 15,408.84 = 6,692.28 : x
  2. Step 2: Convert to fraction form
    11,165.37/15,408.84 = 6,692.28/x
  3. Step 3: Cross multiply
    11,165.37x = 15,408.84 × 6,692.28
  4. Step 4: Simplify right side
    11,165.37x = 103,120,271.76
  5. Step 5: Solve for x
    x = 103,120,271.76/11,165.37
  6. Step 6: Final answer
    x = 9,235.72

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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.