Home / 13,241.40-19,829.70-6,307.80

Finding the Fourth Proportional to 13,241.40, 19,829.70 and 6,307.80

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Solution

The fourth proportional to 13,241.40, 19,829.70 and 6,307.80 is: 9,446.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.40 : 19,829.70 = 6,307.80 : x
  2. Step 2: Convert to fraction form
    13,241.40/19,829.70 = 6,307.80/x
  3. Step 3: Cross multiply
    13,241.40x = 19,829.70 × 6,307.80
  4. Step 4: Simplify right side
    13,241.40x = 125,081,781.66
  5. Step 5: Solve for x
    x = 125,081,781.66/13,241.40
  6. Step 6: Final answer
    x = 9,446.27

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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.