Home / 11,612.79-17,419.16-2,847.62

Finding the Fourth Proportional to 11,612.79, 17,419.16 and 2,847.62

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Solution

The fourth proportional to 11,612.79, 17,419.16 and 2,847.62 is: 4,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.79 : 17,419.16 = 2,847.62 : x
  2. Step 2: Convert to fraction form
    11,612.79/17,419.16 = 2,847.62/x
  3. Step 3: Cross multiply
    11,612.79x = 17,419.16 × 2,847.62
  4. Step 4: Simplify right side
    11,612.79x = 49,603,047.07
  5. Step 5: Solve for x
    x = 49,603,047.07/11,612.79
  6. Step 6: Final answer
    x = 4,271.42

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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.