Home / 13,241.88-19,862.82-4,921.71

Finding the Fourth Proportional to 13,241.88, 19,862.82 and 4,921.71

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Solution

The fourth proportional to 13,241.88, 19,862.82 and 4,921.71 is: 7,382.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.88 : 19,862.82 = 4,921.71 : x
  2. Step 2: Convert to fraction form
    13,241.88/19,862.82 = 4,921.71/x
  3. Step 3: Cross multiply
    13,241.88x = 19,862.82 × 4,921.71
  4. Step 4: Simplify right side
    13,241.88x = 97,759,077.06
  5. Step 5: Solve for x
    x = 97,759,077.06/13,241.88
  6. Step 6: Final answer
    x = 7,382.57

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1.5x scale

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.