Home / 13,818.69-20,724.99-5,497.16

Finding the Fourth Proportional to 13,818.69, 20,724.99 and 5,497.16

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Solution

The fourth proportional to 13,818.69, 20,724.99 and 5,497.16 is: 8,244.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.69 : 20,724.99 = 5,497.16 : x
  2. Step 2: Convert to fraction form
    13,818.69/20,724.99 = 5,497.16/x
  3. Step 3: Cross multiply
    13,818.69x = 20,724.99 × 5,497.16
  4. Step 4: Simplify right side
    13,818.69x = 113,928,482.40
  5. Step 5: Solve for x
    x = 113,928,482.40/13,818.69
  6. Step 6: Final answer
    x = 8,244.52

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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.