Home / 11,021.84-15,210.14-5,986.06

Finding the Fourth Proportional to 11,021.84, 15,210.14 and 5,986.06

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Solution

The fourth proportional to 11,021.84, 15,210.14 and 5,986.06 is: 8,260.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.84 : 15,210.14 = 5,986.06 : x
  2. Step 2: Convert to fraction form
    11,021.84/15,210.14 = 5,986.06/x
  3. Step 3: Cross multiply
    11,021.84x = 15,210.14 × 5,986.06
  4. Step 4: Simplify right side
    11,021.84x = 91,048,845.09
  5. Step 5: Solve for x
    x = 91,048,845.09/11,021.84
  6. Step 6: Final answer
    x = 8,260.77

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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.