Home / 12,318.53-18,472.99-3,996.53

Finding the Fourth Proportional to 12,318.53, 18,472.99 and 3,996.53

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Solution

The fourth proportional to 12,318.53, 18,472.99 and 3,996.53 is: 5,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318.53 : 18,472.99 = 3,996.53 : x
  2. Step 2: Convert to fraction form
    12,318.53/18,472.99 = 3,996.53/x
  3. Step 3: Cross multiply
    12,318.53x = 18,472.99 × 3,996.53
  4. Step 4: Simplify right side
    12,318.53x = 73,827,746.38
  5. Step 5: Solve for x
    x = 73,827,746.38/12,318.53
  6. Step 6: Final answer
    x = 5,993.23

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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.