Home / 14,531.92-20,037.52-13,115.14

Finding the Fourth Proportional to 14,531.92, 20,037.52 and 13,115.14

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Solution

The fourth proportional to 14,531.92, 20,037.52 and 13,115.14 is: 18,083.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.92 : 20,037.52 = 13,115.14 : x
  2. Step 2: Convert to fraction form
    14,531.92/20,037.52 = 13,115.14/x
  3. Step 3: Cross multiply
    14,531.92x = 20,037.52 × 13,115.14
  4. Step 4: Simplify right side
    14,531.92x = 262,794,880.05
  5. Step 5: Solve for x
    x = 262,794,880.05/14,531.92
  6. Step 6: Final answer
    x = 18,083.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.