Home / 13,333.72-19,998.52-4,449.20

Finding the Fourth Proportional to 13,333.72, 19,998.52 and 4,449.20

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Solution

The fourth proportional to 13,333.72, 19,998.52 and 4,449.20 is: 6,673.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.72 : 19,998.52 = 4,449.20 : x
  2. Step 2: Convert to fraction form
    13,333.72/19,998.52 = 4,449.20/x
  3. Step 3: Cross multiply
    13,333.72x = 19,998.52 × 4,449.20
  4. Step 4: Simplify right side
    13,333.72x = 88,977,415.18
  5. Step 5: Solve for x
    x = 88,977,415.18/13,333.72
  6. Step 6: Final answer
    x = 6,673.11

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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.