Home / 19,241.85-28,889.30-13,304.15

Finding the Fourth Proportional to 19,241.85, 28,889.30 and 13,304.15

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Solution

The fourth proportional to 19,241.85, 28,889.30 and 13,304.15 is: 19,974.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241.85 : 28,889.30 = 13,304.15 : x
  2. Step 2: Convert to fraction form
    19,241.85/28,889.30 = 13,304.15/x
  3. Step 3: Cross multiply
    19,241.85x = 28,889.30 × 13,304.15
  4. Step 4: Simplify right side
    19,241.85x = 384,347,369.63
  5. Step 5: Solve for x
    x = 384,347,369.63/19,241.85
  6. Step 6: Final answer
    x = 19,974.55

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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.