Home / 19,607.40-29,394.56-8,505.73

Finding the Fourth Proportional to 19,607.40, 29,394.56 and 8,505.73

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Solution

The fourth proportional to 19,607.40, 29,394.56 and 8,505.73 is: 12,751.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,607.40 : 29,394.56 = 8,505.73 : x
  2. Step 2: Convert to fraction form
    19,607.40/29,394.56 = 8,505.73/x
  3. Step 3: Cross multiply
    19,607.40x = 29,394.56 × 8,505.73
  4. Step 4: Simplify right side
    19,607.40x = 250,022,190.83
  5. Step 5: Solve for x
    x = 250,022,190.83/19,607.40
  6. Step 6: Final answer
    x = 12,751.42

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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.