Home / 13,764.16-20,647.60-4,401.82

Finding the Fourth Proportional to 13,764.16, 20,647.60 and 4,401.82

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Solution

The fourth proportional to 13,764.16, 20,647.60 and 4,401.82 is: 6,603.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.16 : 20,647.60 = 4,401.82 : x
  2. Step 2: Convert to fraction form
    13,764.16/20,647.60 = 4,401.82/x
  3. Step 3: Cross multiply
    13,764.16x = 20,647.60 × 4,401.82
  4. Step 4: Simplify right side
    13,764.16x = 90,887,018.63
  5. Step 5: Solve for x
    x = 90,887,018.63/13,764.16
  6. Step 6: Final answer
    x = 6,603.17

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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.