Home / 19,102.37-28,654.31-9,101.97

Finding the Fourth Proportional to 19,102.37, 28,654.31 and 9,101.97

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Solution

The fourth proportional to 19,102.37, 28,654.31 and 9,101.97 is: 13,653.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,102.37 : 28,654.31 = 9,101.97 : x
  2. Step 2: Convert to fraction form
    19,102.37/28,654.31 = 9,101.97/x
  3. Step 3: Cross multiply
    19,102.37x = 28,654.31 × 9,101.97
  4. Step 4: Simplify right side
    19,102.37x = 260,810,692.75
  5. Step 5: Solve for x
    x = 260,810,692.75/19,102.37
  6. Step 6: Final answer
    x = 13,653.32

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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.