Home / 13,282.20-18,329.82-7,314.24

Finding the Fourth Proportional to 13,282.20, 18,329.82 and 7,314.24

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Solution

The fourth proportional to 13,282.20, 18,329.82 and 7,314.24 is: 10,093.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.20 : 18,329.82 = 7,314.24 : x
  2. Step 2: Convert to fraction form
    13,282.20/18,329.82 = 7,314.24/x
  3. Step 3: Cross multiply
    13,282.20x = 18,329.82 × 7,314.24
  4. Step 4: Simplify right side
    13,282.20x = 134,068,702.64
  5. Step 5: Solve for x
    x = 134,068,702.64/13,282.20
  6. Step 6: Final answer
    x = 10,093.86

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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.