Home / 12,333.50-17,020.20-6,668.26

Finding the Fourth Proportional to 12,333.50, 17,020.20 and 6,668.26

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Solution

The fourth proportional to 12,333.50, 17,020.20 and 6,668.26 is: 9,202.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,333.50 : 17,020.20 = 6,668.26 : x
  2. Step 2: Convert to fraction form
    12,333.50/17,020.20 = 6,668.26/x
  3. Step 3: Cross multiply
    12,333.50x = 17,020.20 × 6,668.26
  4. Step 4: Simplify right side
    12,333.50x = 113,495,118.85
  5. Step 5: Solve for x
    x = 113,495,118.85/12,333.50
  6. Step 6: Final answer
    x = 9,202.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.