Home / 13,954.46-19,257.50-7,988.05

Finding the Fourth Proportional to 13,954.46, 19,257.50 and 7,988.05

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Solution

The fourth proportional to 13,954.46, 19,257.50 and 7,988.05 is: 11,023.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.46 : 19,257.50 = 7,988.05 : x
  2. Step 2: Convert to fraction form
    13,954.46/19,257.50 = 7,988.05/x
  3. Step 3: Cross multiply
    13,954.46x = 19,257.50 × 7,988.05
  4. Step 4: Simplify right side
    13,954.46x = 153,829,871.98
  5. Step 5: Solve for x
    x = 153,829,871.98/13,954.46
  6. Step 6: Final answer
    x = 11,023.71

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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.