Home / 11,811.06-17,710.83-5,153.19

Finding the Fourth Proportional to 11,811.06, 17,710.83 and 5,153.19

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Solution

The fourth proportional to 11,811.06, 17,710.83 and 5,153.19 is: 7,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.06 : 17,710.83 = 5,153.19 : x
  2. Step 2: Convert to fraction form
    11,811.06/17,710.83 = 5,153.19/x
  3. Step 3: Cross multiply
    11,811.06x = 17,710.83 × 5,153.19
  4. Step 4: Simplify right side
    11,811.06x = 91,267,191.14
  5. Step 5: Solve for x
    x = 91,267,191.14/11,811.06
  6. Step 6: Final answer
    x = 7,727.26

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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.