Home / 13,503.42-18,634.58-7,453.73

Finding the Fourth Proportional to 13,503.42, 18,634.58 and 7,453.73

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Solution

The fourth proportional to 13,503.42, 18,634.58 and 7,453.73 is: 10,286.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503.42 : 18,634.58 = 7,453.73 : x
  2. Step 2: Convert to fraction form
    13,503.42/18,634.58 = 7,453.73/x
  3. Step 3: Cross multiply
    13,503.42x = 18,634.58 × 7,453.73
  4. Step 4: Simplify right side
    13,503.42x = 138,897,127.98
  5. Step 5: Solve for x
    x = 138,897,127.98/13,503.42
  6. Step 6: Final answer
    x = 10,286.07

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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.