Home / 12,665.52-18,986.66-4,868.46

Finding the Fourth Proportional to 12,665.52, 18,986.66 and 4,868.46

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Solution

The fourth proportional to 12,665.52, 18,986.66 and 4,868.46 is: 7,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,665.52 : 18,986.66 = 4,868.46 : x
  2. Step 2: Convert to fraction form
    12,665.52/18,986.66 = 4,868.46/x
  3. Step 3: Cross multiply
    12,665.52x = 18,986.66 × 4,868.46
  4. Step 4: Simplify right side
    12,665.52x = 92,435,794.74
  5. Step 5: Solve for x
    x = 92,435,794.74/12,665.52
  6. Step 6: Final answer
    x = 7,298.22

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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.