Home / 13,257.01-19,869.09-6,679.60

Finding the Fourth Proportional to 13,257.01, 19,869.09 and 6,679.60

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Solution

The fourth proportional to 13,257.01, 19,869.09 and 6,679.60 is: 10,011.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.01 : 19,869.09 = 6,679.60 : x
  2. Step 2: Convert to fraction form
    13,257.01/19,869.09 = 6,679.60/x
  3. Step 3: Cross multiply
    13,257.01x = 19,869.09 × 6,679.60
  4. Step 4: Simplify right side
    13,257.01x = 132,717,573.56
  5. Step 5: Solve for x
    x = 132,717,573.56/13,257.01
  6. Step 6: Final answer
    x = 10,011.12

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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.