Home / 13,932.06-19,223.15-8,263.95

Finding the Fourth Proportional to 13,932.06, 19,223.15 and 8,263.95

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Solution

The fourth proportional to 13,932.06, 19,223.15 and 8,263.95 is: 11,402.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.06 : 19,223.15 = 8,263.95 : x
  2. Step 2: Convert to fraction form
    13,932.06/19,223.15 = 8,263.95/x
  3. Step 3: Cross multiply
    13,932.06x = 19,223.15 × 8,263.95
  4. Step 4: Simplify right side
    13,932.06x = 158,859,109.12
  5. Step 5: Solve for x
    x = 158,859,109.12/13,932.06
  6. Step 6: Final answer
    x = 11,402.41

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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.