Home / 13,213.72-19,823.10-4,448.80

Finding the Fourth Proportional to 13,213.72, 19,823.10 and 4,448.80

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Solution

The fourth proportional to 13,213.72, 19,823.10 and 4,448.80 is: 6,674.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213.72 : 19,823.10 = 4,448.80 : x
  2. Step 2: Convert to fraction form
    13,213.72/19,823.10 = 4,448.80/x
  3. Step 3: Cross multiply
    13,213.72x = 19,823.10 × 4,448.80
  4. Step 4: Simplify right side
    13,213.72x = 88,189,007.28
  5. Step 5: Solve for x
    x = 88,189,007.28/13,213.72
  6. Step 6: Final answer
    x = 6,674.05

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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.