Home / 12,522.88-18,784.32-4,202.24

Finding the Fourth Proportional to 12,522.88, 18,784.32 and 4,202.24

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Solution

The fourth proportional to 12,522.88, 18,784.32 and 4,202.24 is: 6,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522.88 : 18,784.32 = 4,202.24 : x
  2. Step 2: Convert to fraction form
    12,522.88/18,784.32 = 4,202.24/x
  3. Step 3: Cross multiply
    12,522.88x = 18,784.32 × 4,202.24
  4. Step 4: Simplify right side
    12,522.88x = 78,936,220.88
  5. Step 5: Solve for x
    x = 78,936,220.88/12,522.88
  6. Step 6: Final answer
    x = 6,303.36

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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.