Home / 13,318.02-19,984.19-5,003.78

Finding the Fourth Proportional to 13,318.02, 19,984.19 and 5,003.78

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Solution

The fourth proportional to 13,318.02, 19,984.19 and 5,003.78 is: 7,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318.02 : 19,984.19 = 5,003.78 : x
  2. Step 2: Convert to fraction form
    13,318.02/19,984.19 = 5,003.78/x
  3. Step 3: Cross multiply
    13,318.02x = 19,984.19 × 5,003.78
  4. Step 4: Simplify right side
    13,318.02x = 99,996,365.30
  5. Step 5: Solve for x
    x = 99,996,365.30/13,318.02
  6. Step 6: Final answer
    x = 7,508.35

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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.