Home / 12,235.70-18,353.55-9,611.30

Finding the Fourth Proportional to 12,235.70, 18,353.55 and 9,611.30

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Solution

The fourth proportional to 12,235.70, 18,353.55 and 9,611.30 is: 14,416.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235.70 : 18,353.55 = 9,611.30 : x
  2. Step 2: Convert to fraction form
    12,235.70/18,353.55 = 9,611.30/x
  3. Step 3: Cross multiply
    12,235.70x = 18,353.55 × 9,611.30
  4. Step 4: Simplify right side
    12,235.70x = 176,401,475.12
  5. Step 5: Solve for x
    x = 176,401,475.12/12,235.70
  6. Step 6: Final answer
    x = 14,416.95

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Similar ratio
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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.