Home / 13,279.23-19,931.17-6,710.03

Finding the Fourth Proportional to 13,279.23, 19,931.17 and 6,710.03

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Solution

The fourth proportional to 13,279.23, 19,931.17 and 6,710.03 is: 10,071.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279.23 : 19,931.17 = 6,710.03 : x
  2. Step 2: Convert to fraction form
    13,279.23/19,931.17 = 6,710.03/x
  3. Step 3: Cross multiply
    13,279.23x = 19,931.17 × 6,710.03
  4. Step 4: Simplify right side
    13,279.23x = 133,738,806.85
  5. Step 5: Solve for x
    x = 133,738,806.85/13,279.23
  6. Step 6: Final answer
    x = 10,071.27

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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.