Home / 11,289.96-15,570.62-8,463.94

Finding the Fourth Proportional to 11,289.96, 15,570.62 and 8,463.94

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Solution

The fourth proportional to 11,289.96, 15,570.62 and 8,463.94 is: 11,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.96 : 15,570.62 = 8,463.94 : x
  2. Step 2: Convert to fraction form
    11,289.96/15,570.62 = 8,463.94/x
  3. Step 3: Cross multiply
    11,289.96x = 15,570.62 × 8,463.94
  4. Step 4: Simplify right side
    11,289.96x = 131,788,793.44
  5. Step 5: Solve for x
    x = 131,788,793.44/11,289.96
  6. Step 6: Final answer
    x = 11,673.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.