Home / 13,282.80-18,330.24-7,314.48

Finding the Fourth Proportional to 13,282.80, 18,330.24 and 7,314.48

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Solution

The fourth proportional to 13,282.80, 18,330.24 and 7,314.48 is: 10,093.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.80 : 18,330.24 = 7,314.48 : x
  2. Step 2: Convert to fraction form
    13,282.80/18,330.24 = 7,314.48/x
  3. Step 3: Cross multiply
    13,282.80x = 18,330.24 × 7,314.48
  4. Step 4: Simplify right side
    13,282.80x = 134,076,173.88
  5. Step 5: Solve for x
    x = 134,076,173.88/13,282.80
  6. Step 6: Final answer
    x = 10,093.97

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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.