Home / 13,784.22-20,684.43-5,019.66

Finding the Fourth Proportional to 13,784.22, 20,684.43 and 5,019.66

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Solution

The fourth proportional to 13,784.22, 20,684.43 and 5,019.66 is: 7,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.22 : 20,684.43 = 5,019.66 : x
  2. Step 2: Convert to fraction form
    13,784.22/20,684.43 = 5,019.66/x
  3. Step 3: Cross multiply
    13,784.22x = 20,684.43 × 5,019.66
  4. Step 4: Simplify right side
    13,784.22x = 103,828,805.89
  5. Step 5: Solve for x
    x = 103,828,805.89/13,784.22
  6. Step 6: Final answer
    x = 7,532.44

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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.