Home / 13,889.00-20,833.79-6,491.48

Finding the Fourth Proportional to 13,889.00, 20,833.79 and 6,491.48

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Solution

The fourth proportional to 13,889.00, 20,833.79 and 6,491.48 is: 9,737.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.00 : 20,833.79 = 6,491.48 : x
  2. Step 2: Convert to fraction form
    13,889.00/20,833.79 = 6,491.48/x
  3. Step 3: Cross multiply
    13,889.00x = 20,833.79 × 6,491.48
  4. Step 4: Simplify right side
    13,889.00x = 135,241,994.48
  5. Step 5: Solve for x
    x = 135,241,994.48/13,889.00
  6. Step 6: Final answer
    x = 9,737.34

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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.