Home / 11,318.09-16,984.92-5,085.08

Finding the Fourth Proportional to 11,318.09, 16,984.92 and 5,085.08

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Solution

The fourth proportional to 11,318.09, 16,984.92 and 5,085.08 is: 7,631.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.09 : 16,984.92 = 5,085.08 : x
  2. Step 2: Convert to fraction form
    11,318.09/16,984.92 = 5,085.08/x
  3. Step 3: Cross multiply
    11,318.09x = 16,984.92 × 5,085.08
  4. Step 4: Simplify right side
    11,318.09x = 86,369,592.07
  5. Step 5: Solve for x
    x = 86,369,592.07/11,318.09
  6. Step 6: Final answer
    x = 7,631.11

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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.