Home / 11,713.04-16,166.82-9,821.60

Finding the Fourth Proportional to 11,713.04, 16,166.82 and 9,821.60

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Solution

The fourth proportional to 11,713.04, 16,166.82 and 9,821.60 is: 13,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.04 : 16,166.82 = 9,821.60 : x
  2. Step 2: Convert to fraction form
    11,713.04/16,166.82 = 9,821.60/x
  3. Step 3: Cross multiply
    11,713.04x = 16,166.82 × 9,821.60
  4. Step 4: Simplify right side
    11,713.04x = 158,784,039.31
  5. Step 5: Solve for x
    x = 158,784,039.31/11,713.04
  6. Step 6: Final answer
    x = 13,556.18

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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.