Home / 13,455.44-20,185.38-4,692.92

Finding the Fourth Proportional to 13,455.44, 20,185.38 and 4,692.92

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Solution

The fourth proportional to 13,455.44, 20,185.38 and 4,692.92 is: 7,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455.44 : 20,185.38 = 4,692.92 : x
  2. Step 2: Convert to fraction form
    13,455.44/20,185.38 = 4,692.92/x
  3. Step 3: Cross multiply
    13,455.44x = 20,185.38 × 4,692.92
  4. Step 4: Simplify right side
    13,455.44x = 94,728,373.51
  5. Step 5: Solve for x
    x = 94,728,373.51/13,455.44
  6. Step 6: Final answer
    x = 7,040.15

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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.