Home / 13,149.88-19,724.99-4,384.79

Finding the Fourth Proportional to 13,149.88, 19,724.99 and 4,384.79

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Solution

The fourth proportional to 13,149.88, 19,724.99 and 4,384.79 is: 6,577.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.88 : 19,724.99 = 4,384.79 : x
  2. Step 2: Convert to fraction form
    13,149.88/19,724.99 = 4,384.79/x
  3. Step 3: Cross multiply
    13,149.88x = 19,724.99 × 4,384.79
  4. Step 4: Simplify right side
    13,149.88x = 86,489,892.32
  5. Step 5: Solve for x
    x = 86,489,892.32/13,149.88
  6. Step 6: Final answer
    x = 6,577.24

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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.