Home / 13,072.66-19,603.30-4,749.90

Finding the Fourth Proportional to 13,072.66, 19,603.30 and 4,749.90

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Solution

The fourth proportional to 13,072.66, 19,603.30 and 4,749.90 is: 7,122.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.66 : 19,603.30 = 4,749.90 : x
  2. Step 2: Convert to fraction form
    13,072.66/19,603.30 = 4,749.90/x
  3. Step 3: Cross multiply
    13,072.66x = 19,603.30 × 4,749.90
  4. Step 4: Simplify right side
    13,072.66x = 93,113,714.67
  5. Step 5: Solve for x
    x = 93,113,714.67/13,072.66
  6. Step 6: Final answer
    x = 7,122.78

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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.