Home / 18,729.67-25,840.94-13,352.98

Finding the Fourth Proportional to 18,729.67, 25,840.94 and 13,352.98

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Solution

The fourth proportional to 18,729.67, 25,840.94 and 13,352.98 is: 18,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729.67 : 25,840.94 = 13,352.98 : x
  2. Step 2: Convert to fraction form
    18,729.67/25,840.94 = 13,352.98/x
  3. Step 3: Cross multiply
    18,729.67x = 25,840.94 × 13,352.98
  4. Step 4: Simplify right side
    18,729.67x = 345,053,572.77
  5. Step 5: Solve for x
    x = 345,053,572.77/18,729.67
  6. Step 6: Final answer
    x = 18,422.83

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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.