Home / 12,743.18-19,122.29-4,852.34

Finding the Fourth Proportional to 12,743.18, 19,122.29 and 4,852.34

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Solution

The fourth proportional to 12,743.18, 19,122.29 and 4,852.34 is: 7,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743.18 : 19,122.29 = 4,852.34 : x
  2. Step 2: Convert to fraction form
    12,743.18/19,122.29 = 4,852.34/x
  3. Step 3: Cross multiply
    12,743.18x = 19,122.29 × 4,852.34
  4. Step 4: Simplify right side
    12,743.18x = 92,787,732.79
  5. Step 5: Solve for x
    x = 92,787,732.79/12,743.18
  6. Step 6: Final answer
    x = 7,281.37

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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.