Home / 13,731.96-20,590.11-9,054.48

Finding the Fourth Proportional to 13,731.96, 20,590.11 and 9,054.48

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Solution

The fourth proportional to 13,731.96, 20,590.11 and 9,054.48 is: 13,576.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.96 : 20,590.11 = 9,054.48 : x
  2. Step 2: Convert to fraction form
    13,731.96/20,590.11 = 9,054.48/x
  3. Step 3: Cross multiply
    13,731.96x = 20,590.11 × 9,054.48
  4. Step 4: Simplify right side
    13,731.96x = 186,432,739.19
  5. Step 5: Solve for x
    x = 186,432,739.19/13,731.96
  6. Step 6: Final answer
    x = 13,576.56

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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.