Home / 13,101.73-19,646.53-4,215.41

Finding the Fourth Proportional to 13,101.73, 19,646.53 and 4,215.41

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Solution

The fourth proportional to 13,101.73, 19,646.53 and 4,215.41 is: 6,321.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.73 : 19,646.53 = 4,215.41 : x
  2. Step 2: Convert to fraction form
    13,101.73/19,646.53 = 4,215.41/x
  3. Step 3: Cross multiply
    13,101.73x = 19,646.53 × 4,215.41
  4. Step 4: Simplify right side
    13,101.73x = 82,818,167.64
  5. Step 5: Solve for x
    x = 82,818,167.64/13,101.73
  6. Step 6: Final answer
    x = 6,321.16

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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.