Home / 13,504.70-18,635.18-7,535.82

Finding the Fourth Proportional to 13,504.70, 18,635.18 and 7,535.82

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Solution

The fourth proportional to 13,504.70, 18,635.18 and 7,535.82 is: 10,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504.70 : 18,635.18 = 7,535.82 : x
  2. Step 2: Convert to fraction form
    13,504.70/18,635.18 = 7,535.82/x
  3. Step 3: Cross multiply
    13,504.70x = 18,635.18 × 7,535.82
  4. Step 4: Simplify right side
    13,504.70x = 140,431,362.15
  5. Step 5: Solve for x
    x = 140,431,362.15/13,504.70
  6. Step 6: Final answer
    x = 10,398.70

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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.