Home / 13,971.46-19,308.27-11,449.59

Finding the Fourth Proportional to 13,971.46, 19,308.27 and 11,449.59

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Solution

The fourth proportional to 13,971.46, 19,308.27 and 11,449.59 is: 15,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.46 : 19,308.27 = 11,449.59 : x
  2. Step 2: Convert to fraction form
    13,971.46/19,308.27 = 11,449.59/x
  3. Step 3: Cross multiply
    13,971.46x = 19,308.27 × 11,449.59
  4. Step 4: Simplify right side
    13,971.46x = 221,071,775.11
  5. Step 5: Solve for x
    x = 221,071,775.11/13,971.46
  6. Step 6: Final answer
    x = 15,823.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.