Home / 13,985.43-19,327.50-11,463.48

Finding the Fourth Proportional to 13,985.43, 19,327.50 and 11,463.48

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Solution

The fourth proportional to 13,985.43, 19,327.50 and 11,463.48 is: 15,842.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985.43 : 19,327.50 = 11,463.48 : x
  2. Step 2: Convert to fraction form
    13,985.43/19,327.50 = 11,463.48/x
  3. Step 3: Cross multiply
    13,985.43x = 19,327.50 × 11,463.48
  4. Step 4: Simplify right side
    13,985.43x = 221,560,409.70
  5. Step 5: Solve for x
    x = 221,560,409.70/13,985.43
  6. Step 6: Final answer
    x = 15,842.23

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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.