Home / 14,222.25-21,343.10-4,988.25

Finding the Fourth Proportional to 14,222.25, 21,343.10 and 4,988.25

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Solution

The fourth proportional to 14,222.25, 21,343.10 and 4,988.25 is: 7,485.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.25 : 21,343.10 = 4,988.25 : x
  2. Step 2: Convert to fraction form
    14,222.25/21,343.10 = 4,988.25/x
  3. Step 3: Cross multiply
    14,222.25x = 21,343.10 × 4,988.25
  4. Step 4: Simplify right side
    14,222.25x = 106,464,693.63
  5. Step 5: Solve for x
    x = 106,464,693.63/14,222.25
  6. Step 6: Final answer
    x = 7,485.78

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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.