Home / 19,204.21-28,787.37-9,197.40

Finding the Fourth Proportional to 19,204.21, 28,787.37 and 9,197.40

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Solution

The fourth proportional to 19,204.21, 28,787.37 and 9,197.40 is: 13,787.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,204.21 : 28,787.37 = 9,197.40 : x
  2. Step 2: Convert to fraction form
    19,204.21/28,787.37 = 9,197.40/x
  3. Step 3: Cross multiply
    19,204.21x = 28,787.37 × 9,197.40
  4. Step 4: Simplify right side
    19,204.21x = 264,768,945.97
  5. Step 5: Solve for x
    x = 264,768,945.97/19,204.21
  6. Step 6: Final answer
    x = 13,787.02

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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.