Home / 12,975.47-19,466.03-4,211.27

Finding the Fourth Proportional to 12,975.47, 19,466.03 and 4,211.27

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Solution

The fourth proportional to 12,975.47, 19,466.03 and 4,211.27 is: 6,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975.47 : 19,466.03 = 4,211.27 : x
  2. Step 2: Convert to fraction form
    12,975.47/19,466.03 = 4,211.27/x
  3. Step 3: Cross multiply
    12,975.47x = 19,466.03 × 4,211.27
  4. Step 4: Simplify right side
    12,975.47x = 81,976,621.36
  5. Step 5: Solve for x
    x = 81,976,621.36/12,975.47
  6. Step 6: Final answer
    x = 6,317.82

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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.