Home / 14,365.89-21,516.03-12,922.47

Finding the Fourth Proportional to 14,365.89, 21,516.03 and 12,922.47

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Solution

The fourth proportional to 14,365.89, 21,516.03 and 12,922.47 is: 19,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365.89 : 21,516.03 = 12,922.47 : x
  2. Step 2: Convert to fraction form
    14,365.89/21,516.03 = 12,922.47/x
  3. Step 3: Cross multiply
    14,365.89x = 21,516.03 × 12,922.47
  4. Step 4: Simplify right side
    14,365.89x = 278,040,252.19
  5. Step 5: Solve for x
    x = 278,040,252.19/14,365.89
  6. Step 6: Final answer
    x = 19,354.20

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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.