Home / 11,631.57-17,449.08-5,392.21

Finding the Fourth Proportional to 11,631.57, 17,449.08 and 5,392.21

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Solution

The fourth proportional to 11,631.57, 17,449.08 and 5,392.21 is: 8,089.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.57 : 17,449.08 = 5,392.21 : x
  2. Step 2: Convert to fraction form
    11,631.57/17,449.08 = 5,392.21/x
  3. Step 3: Cross multiply
    11,631.57x = 17,449.08 × 5,392.21
  4. Step 4: Simplify right side
    11,631.57x = 94,089,103.67
  5. Step 5: Solve for x
    x = 94,089,103.67/11,631.57
  6. Step 6: Final answer
    x = 8,089.11

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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.