Home / 14,172.24-21,258.12-4,938

Finding the Fourth Proportional to 14,172.24, 21,258.12 and 4,938

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Solution

The fourth proportional to 14,172.24, 21,258.12 and 4,938 is: 7,406.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.24 : 21,258.12 = 4,938 : x
  2. Step 2: Convert to fraction form
    14,172.24/21,258.12 = 4,938/x
  3. Step 3: Cross multiply
    14,172.24x = 21,258.12 × 4,938
  4. Step 4: Simplify right side
    14,172.24x = 104,972,596.56
  5. Step 5: Solve for x
    x = 104,972,596.56/14,172.24
  6. Step 6: Final answer
    x = 7,406.92

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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.