Home / 18,268.89-27,402.74-7,736.10

Finding the Fourth Proportional to 18,268.89, 27,402.74 and 7,736.10

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Solution

The fourth proportional to 18,268.89, 27,402.74 and 7,736.10 is: 11,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.89 : 27,402.74 = 7,736.10 : x
  2. Step 2: Convert to fraction form
    18,268.89/27,402.74 = 7,736.10/x
  3. Step 3: Cross multiply
    18,268.89x = 27,402.74 × 7,736.10
  4. Step 4: Simplify right side
    18,268.89x = 211,990,199.90
  5. Step 5: Solve for x
    x = 211,990,199.90/18,268.89
  6. Step 6: Final answer
    x = 11,603.89

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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.