Home / 18,626.25-27,951.69-8,768.35

Finding the Fourth Proportional to 18,626.25, 27,951.69 and 8,768.35

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Solution

The fourth proportional to 18,626.25, 27,951.69 and 8,768.35 is: 13,158.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626.25 : 27,951.69 = 8,768.35 : x
  2. Step 2: Convert to fraction form
    18,626.25/27,951.69 = 8,768.35/x
  3. Step 3: Cross multiply
    18,626.25x = 27,951.69 × 8,768.35
  4. Step 4: Simplify right side
    18,626.25x = 245,090,131.13
  5. Step 5: Solve for x
    x = 245,090,131.13/18,626.25
  6. Step 6: Final answer
    x = 13,158.32

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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.