Home / 12,789.70-19,163.43-5,848.90

Finding the Fourth Proportional to 12,789.70, 19,163.43 and 5,848.90

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Solution

The fourth proportional to 12,789.70, 19,163.43 and 5,848.90 is: 8,763.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789.70 : 19,163.43 = 5,848.90 : x
  2. Step 2: Convert to fraction form
    12,789.70/19,163.43 = 5,848.90/x
  3. Step 3: Cross multiply
    12,789.70x = 19,163.43 × 5,848.90
  4. Step 4: Simplify right side
    12,789.70x = 112,084,985.73
  5. Step 5: Solve for x
    x = 112,084,985.73/12,789.70
  6. Step 6: Final answer
    x = 8,763.69

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1.5x scale

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.