Home / 13,238.43-19,846.90-4,913.25

Finding the Fourth Proportional to 13,238.43, 19,846.90 and 4,913.25

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Solution

The fourth proportional to 13,238.43, 19,846.90 and 4,913.25 is: 7,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.43 : 19,846.90 = 4,913.25 : x
  2. Step 2: Convert to fraction form
    13,238.43/19,846.90 = 4,913.25/x
  3. Step 3: Cross multiply
    13,238.43x = 19,846.90 × 4,913.25
  4. Step 4: Simplify right side
    13,238.43x = 97,512,781.43
  5. Step 5: Solve for x
    x = 97,512,781.43/13,238.43
  6. Step 6: Final answer
    x = 7,365.89

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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.