Home / 19,261.35-28,895.90-9,400.82

Finding the Fourth Proportional to 19,261.35, 28,895.90 and 9,400.82

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Solution

The fourth proportional to 19,261.35, 28,895.90 and 9,400.82 is: 14,103.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.35 : 28,895.90 = 9,400.82 : x
  2. Step 2: Convert to fraction form
    19,261.35/28,895.90 = 9,400.82/x
  3. Step 3: Cross multiply
    19,261.35x = 28,895.90 × 9,400.82
  4. Step 4: Simplify right side
    19,261.35x = 271,644,963.15
  5. Step 5: Solve for x
    x = 271,644,963.15/19,261.35
  6. Step 6: Final answer
    x = 14,103.11

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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.