Home / 11,684.80-17,515.50-4,662.28

Finding the Fourth Proportional to 11,684.80, 17,515.50 and 4,662.28

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Solution

The fourth proportional to 11,684.80, 17,515.50 and 4,662.28 is: 6,988.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684.80 : 17,515.50 = 4,662.28 : x
  2. Step 2: Convert to fraction form
    11,684.80/17,515.50 = 4,662.28/x
  3. Step 3: Cross multiply
    11,684.80x = 17,515.50 × 4,662.28
  4. Step 4: Simplify right side
    11,684.80x = 81,662,165.34
  5. Step 5: Solve for x
    x = 81,662,165.34/11,684.80
  6. Step 6: Final answer
    x = 6,988.75

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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.