Home / 13,716.33-20,574.51-3,328.08

Finding the Fourth Proportional to 13,716.33, 20,574.51 and 3,328.08

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Solution

The fourth proportional to 13,716.33, 20,574.51 and 3,328.08 is: 4,992.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.33 : 20,574.51 = 3,328.08 : x
  2. Step 2: Convert to fraction form
    13,716.33/20,574.51 = 3,328.08/x
  3. Step 3: Cross multiply
    13,716.33x = 20,574.51 × 3,328.08
  4. Step 4: Simplify right side
    13,716.33x = 68,473,615.24
  5. Step 5: Solve for x
    x = 68,473,615.24/13,716.33
  6. Step 6: Final answer
    x = 4,992.12

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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.