Home / 13,209.83-19,817.34-4,889.92

Finding the Fourth Proportional to 13,209.83, 19,817.34 and 4,889.92

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Solution

The fourth proportional to 13,209.83, 19,817.34 and 4,889.92 is: 7,335.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.83 : 19,817.34 = 4,889.92 : x
  2. Step 2: Convert to fraction form
    13,209.83/19,817.34 = 4,889.92/x
  3. Step 3: Cross multiply
    13,209.83x = 19,817.34 × 4,889.92
  4. Step 4: Simplify right side
    13,209.83x = 96,905,083.68
  5. Step 5: Solve for x
    x = 96,905,083.68/13,209.83
  6. Step 6: Final answer
    x = 7,335.83

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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.