Home / 13,319.54-19,957.28-11,945.96

Finding the Fourth Proportional to 13,319.54, 19,957.28 and 11,945.96

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Solution

The fourth proportional to 13,319.54, 19,957.28 and 11,945.96 is: 17,899.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319.54 : 19,957.28 = 11,945.96 : x
  2. Step 2: Convert to fraction form
    13,319.54/19,957.28 = 11,945.96/x
  3. Step 3: Cross multiply
    13,319.54x = 19,957.28 × 11,945.96
  4. Step 4: Simplify right side
    13,319.54x = 238,408,868.59
  5. Step 5: Solve for x
    x = 238,408,868.59/13,319.54
  6. Step 6: Final answer
    x = 17,899.18

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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.