Home / 12,299.53-18,438.21-4,506.52

Finding the Fourth Proportional to 12,299.53, 18,438.21 and 4,506.52

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Solution

The fourth proportional to 12,299.53, 18,438.21 and 4,506.52 is: 6,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.53 : 18,438.21 = 4,506.52 : x
  2. Step 2: Convert to fraction form
    12,299.53/18,438.21 = 4,506.52/x
  3. Step 3: Cross multiply
    12,299.53x = 18,438.21 × 4,506.52
  4. Step 4: Simplify right side
    12,299.53x = 83,092,162.13
  5. Step 5: Solve for x
    x = 83,092,162.13/12,299.53
  6. Step 6: Final answer
    x = 6,755.72

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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.