Home / 12,208.18-18,318.96-5,635.06

Finding the Fourth Proportional to 12,208.18, 18,318.96 and 5,635.06

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Solution

The fourth proportional to 12,208.18, 18,318.96 and 5,635.06 is: 8,455.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.18 : 18,318.96 = 5,635.06 : x
  2. Step 2: Convert to fraction form
    12,208.18/18,318.96 = 5,635.06/x
  3. Step 3: Cross multiply
    12,208.18x = 18,318.96 × 5,635.06
  4. Step 4: Simplify right side
    12,208.18x = 103,228,438.74
  5. Step 5: Solve for x
    x = 103,228,438.74/12,208.18
  6. Step 6: Final answer
    x = 8,455.68

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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.