Home / 13,698.27-20,547.41-3,310.02

Finding the Fourth Proportional to 13,698.27, 20,547.41 and 3,310.02

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Solution

The fourth proportional to 13,698.27, 20,547.41 and 3,310.02 is: 4,965.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698.27 : 20,547.41 = 3,310.02 : x
  2. Step 2: Convert to fraction form
    13,698.27/20,547.41 = 3,310.02/x
  3. Step 3: Cross multiply
    13,698.27x = 20,547.41 × 3,310.02
  4. Step 4: Simplify right side
    13,698.27x = 68,012,338.05
  5. Step 5: Solve for x
    x = 68,012,338.05/13,698.27
  6. Step 6: Final answer
    x = 4,965.03

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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.