Home / 12,708.37-19,051.39-4,911.85

Finding the Fourth Proportional to 12,708.37, 19,051.39 and 4,911.85

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Solution

The fourth proportional to 12,708.37, 19,051.39 and 4,911.85 is: 7,363.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.37 : 19,051.39 = 4,911.85 : x
  2. Step 2: Convert to fraction form
    12,708.37/19,051.39 = 4,911.85/x
  3. Step 3: Cross multiply
    12,708.37x = 19,051.39 × 4,911.85
  4. Step 4: Simplify right side
    12,708.37x = 93,577,569.97
  5. Step 5: Solve for x
    x = 93,577,569.97/12,708.37
  6. Step 6: Final answer
    x = 7,363.46

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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.