Home / 17,986.36-26,979.55-4,840.06

Finding the Fourth Proportional to 17,986.36, 26,979.55 and 4,840.06

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Solution

The fourth proportional to 17,986.36, 26,979.55 and 4,840.06 is: 7,260.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986.36 : 26,979.55 = 4,840.06 : x
  2. Step 2: Convert to fraction form
    17,986.36/26,979.55 = 4,840.06/x
  3. Step 3: Cross multiply
    17,986.36x = 26,979.55 × 4,840.06
  4. Step 4: Simplify right side
    17,986.36x = 130,582,640.77
  5. Step 5: Solve for x
    x = 130,582,640.77/17,986.36
  6. Step 6: Final answer
    x = 7,260.09

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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.