Home / 13,282.35-18,329.77-7,314.23

Finding the Fourth Proportional to 13,282.35, 18,329.77 and 7,314.23

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Solution

The fourth proportional to 13,282.35, 18,329.77 and 7,314.23 is: 10,093.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.35 : 18,329.77 = 7,314.23 : x
  2. Step 2: Convert to fraction form
    13,282.35/18,329.77 = 7,314.23/x
  3. Step 3: Cross multiply
    13,282.35x = 18,329.77 × 7,314.23
  4. Step 4: Simplify right side
    13,282.35x = 134,068,153.63
  5. Step 5: Solve for x
    x = 134,068,153.63/13,282.35
  6. Step 6: Final answer
    x = 10,093.71

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Similar ratio
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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.