Home / 18,071.23-27,111.75-7,537.77

Finding the Fourth Proportional to 18,071.23, 27,111.75 and 7,537.77

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Solution

The fourth proportional to 18,071.23, 27,111.75 and 7,537.77 is: 11,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,071.23 : 27,111.75 = 7,537.77 : x
  2. Step 2: Convert to fraction form
    18,071.23/27,111.75 = 7,537.77/x
  3. Step 3: Cross multiply
    18,071.23x = 27,111.75 × 7,537.77
  4. Step 4: Simplify right side
    18,071.23x = 204,362,135.80
  5. Step 5: Solve for x
    x = 204,362,135.80/18,071.23
  6. Step 6: Final answer
    x = 11,308.70

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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.