Home / 11,435.32-17,143.12-4,420.26

Finding the Fourth Proportional to 11,435.32, 17,143.12 and 4,420.26

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Solution

The fourth proportional to 11,435.32, 17,143.12 and 4,420.26 is: 6,626.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,435.32 : 17,143.12 = 4,420.26 : x
  2. Step 2: Convert to fraction form
    11,435.32/17,143.12 = 4,420.26/x
  3. Step 3: Cross multiply
    11,435.32x = 17,143.12 × 4,420.26
  4. Step 4: Simplify right side
    11,435.32x = 75,777,047.61
  5. Step 5: Solve for x
    x = 75,777,047.61/11,435.32
  6. Step 6: Final answer
    x = 6,626.58

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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.