Home / 13,140.38-19,713.44-4,932.38

Finding the Fourth Proportional to 13,140.38, 19,713.44 and 4,932.38

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Solution

The fourth proportional to 13,140.38, 19,713.44 and 4,932.38 is: 7,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140.38 : 19,713.44 = 4,932.38 : x
  2. Step 2: Convert to fraction form
    13,140.38/19,713.44 = 4,932.38/x
  3. Step 3: Cross multiply
    13,140.38x = 19,713.44 × 4,932.38
  4. Step 4: Simplify right side
    13,140.38x = 97,234,090.95
  5. Step 5: Solve for x
    x = 97,234,090.95/13,140.38
  6. Step 6: Final answer
    x = 7,399.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.