Home / 9,135.85-13,692.75-4,198.72

Finding the Fourth Proportional to 9,135.85, 13,692.75 and 4,198.72

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Solution

The fourth proportional to 9,135.85, 13,692.75 and 4,198.72 is: 6,293.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.85 : 13,692.75 = 4,198.72 : x
  2. Step 2: Convert to fraction form
    9,135.85/13,692.75 = 4,198.72/x
  3. Step 3: Cross multiply
    9,135.85x = 13,692.75 × 4,198.72
  4. Step 4: Simplify right side
    9,135.85x = 57,492,023.28
  5. Step 5: Solve for x
    x = 57,492,023.28/9,135.85
  6. Step 6: Final answer
    x = 6,293.01

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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.