Home / 12,830.46-19,247.82-4,508.33

Finding the Fourth Proportional to 12,830.46, 19,247.82 and 4,508.33

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Solution

The fourth proportional to 12,830.46, 19,247.82 and 4,508.33 is: 6,763.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830.46 : 19,247.82 = 4,508.33 : x
  2. Step 2: Convert to fraction form
    12,830.46/19,247.82 = 4,508.33/x
  3. Step 3: Cross multiply
    12,830.46x = 19,247.82 × 4,508.33
  4. Step 4: Simplify right side
    12,830.46x = 86,775,428.10
  5. Step 5: Solve for x
    x = 86,775,428.10/12,830.46
  6. Step 6: Final answer
    x = 6,763.24

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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.