Home / 12,910.92-19,340.70-10,124.52

Finding the Fourth Proportional to 12,910.92, 19,340.70 and 10,124.52

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Solution

The fourth proportional to 12,910.92, 19,340.70 and 10,124.52 is: 15,166.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910.92 : 19,340.70 = 10,124.52 : x
  2. Step 2: Convert to fraction form
    12,910.92/19,340.70 = 10,124.52/x
  3. Step 3: Cross multiply
    12,910.92x = 19,340.70 × 10,124.52
  4. Step 4: Simplify right side
    12,910.92x = 195,815,303.96
  5. Step 5: Solve for x
    x = 195,815,303.96/12,910.92
  6. Step 6: Final answer
    x = 15,166.64

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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.