Home / 12,708.92-19,063.40-5,309.35

Finding the Fourth Proportional to 12,708.92, 19,063.40 and 5,309.35

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Solution

The fourth proportional to 12,708.92, 19,063.40 and 5,309.35 is: 7,964.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.92 : 19,063.40 = 5,309.35 : x
  2. Step 2: Convert to fraction form
    12,708.92/19,063.40 = 5,309.35/x
  3. Step 3: Cross multiply
    12,708.92x = 19,063.40 × 5,309.35
  4. Step 4: Simplify right side
    12,708.92x = 101,214,188.58
  5. Step 5: Solve for x
    x = 101,214,188.58/12,708.92
  6. Step 6: Final answer
    x = 7,964.03

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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.