Home / 13,835.30-19,092.91-7,866.95

Finding the Fourth Proportional to 13,835.30, 19,092.91 and 7,866.95

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Solution

The fourth proportional to 13,835.30, 19,092.91 and 7,866.95 is: 10,856.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.30 : 19,092.91 = 7,866.95 : x
  2. Step 2: Convert to fraction form
    13,835.30/19,092.91 = 7,866.95/x
  3. Step 3: Cross multiply
    13,835.30x = 19,092.91 × 7,866.95
  4. Step 4: Simplify right side
    13,835.30x = 150,202,996.39
  5. Step 5: Solve for x
    x = 150,202,996.39/13,835.30
  6. Step 6: Final answer
    x = 10,856.50

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1.5x scale

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.