Home / 13,244.58-18,282.72-7,938.37

Finding the Fourth Proportional to 13,244.58, 18,282.72 and 7,938.37

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Solution

The fourth proportional to 13,244.58, 18,282.72 and 7,938.37 is: 10,958.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.58 : 18,282.72 = 7,938.37 : x
  2. Step 2: Convert to fraction form
    13,244.58/18,282.72 = 7,938.37/x
  3. Step 3: Cross multiply
    13,244.58x = 18,282.72 × 7,938.37
  4. Step 4: Simplify right side
    13,244.58x = 145,134,904.55
  5. Step 5: Solve for x
    x = 145,134,904.55/13,244.58
  6. Step 6: Final answer
    x = 10,958.06

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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.