Home / 12,359.56-18,529.62-6,115.18

Finding the Fourth Proportional to 12,359.56, 18,529.62 and 6,115.18

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Solution

The fourth proportional to 12,359.56, 18,529.62 and 6,115.18 is: 9,167.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.56 : 18,529.62 = 6,115.18 : x
  2. Step 2: Convert to fraction form
    12,359.56/18,529.62 = 6,115.18/x
  3. Step 3: Cross multiply
    12,359.56x = 18,529.62 × 6,115.18
  4. Step 4: Simplify right side
    12,359.56x = 113,311,961.63
  5. Step 5: Solve for x
    x = 113,311,961.63/12,359.56
  6. Step 6: Final answer
    x = 9,167.96

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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.