Home / 13,859.59-20,784.99-4,497.45

Finding the Fourth Proportional to 13,859.59, 20,784.99 and 4,497.45

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Solution

The fourth proportional to 13,859.59, 20,784.99 and 4,497.45 is: 6,744.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859.59 : 20,784.99 = 4,497.45 : x
  2. Step 2: Convert to fraction form
    13,859.59/20,784.99 = 4,497.45/x
  3. Step 3: Cross multiply
    13,859.59x = 20,784.99 × 4,497.45
  4. Step 4: Simplify right side
    13,859.59x = 93,479,453.28
  5. Step 5: Solve for x
    x = 93,479,453.28/13,859.59
  6. Step 6: Final answer
    x = 6,744.75

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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.