Home / 13,219.16-19,824.69-4,451.72

Finding the Fourth Proportional to 13,219.16, 19,824.69 and 4,451.72

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Solution

The fourth proportional to 13,219.16, 19,824.69 and 4,451.72 is: 6,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.16 : 19,824.69 = 4,451.72 : x
  2. Step 2: Convert to fraction form
    13,219.16/19,824.69 = 4,451.72/x
  3. Step 3: Cross multiply
    13,219.16x = 19,824.69 × 4,451.72
  4. Step 4: Simplify right side
    13,219.16x = 88,253,968.97
  5. Step 5: Solve for x
    x = 88,253,968.97/13,219.16
  6. Step 6: Final answer
    x = 6,676.22

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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.