Home / 13,213.98-19,824.62-4,455.05

Finding the Fourth Proportional to 13,213.98, 19,824.62 and 4,455.05

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Solution

The fourth proportional to 13,213.98, 19,824.62 and 4,455.05 is: 6,683.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213.98 : 19,824.62 = 4,455.05 : x
  2. Step 2: Convert to fraction form
    13,213.98/19,824.62 = 4,455.05/x
  3. Step 3: Cross multiply
    13,213.98x = 19,824.62 × 4,455.05
  4. Step 4: Simplify right side
    13,213.98x = 88,319,551.93
  5. Step 5: Solve for x
    x = 88,319,551.93/13,213.98
  6. Step 6: Final answer
    x = 6,683.80

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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.