Home / 19,115.13-28,659.60-9,736.99

Finding the Fourth Proportional to 19,115.13, 28,659.60 and 9,736.99

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Solution

The fourth proportional to 19,115.13, 28,659.60 and 9,736.99 is: 14,598.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.13 : 28,659.60 = 9,736.99 : x
  2. Step 2: Convert to fraction form
    19,115.13/28,659.60 = 9,736.99/x
  3. Step 3: Cross multiply
    19,115.13x = 28,659.60 × 9,736.99
  4. Step 4: Simplify right side
    19,115.13x = 279,058,238.60
  5. Step 5: Solve for x
    x = 279,058,238.60/19,115.13
  6. Step 6: Final answer
    x = 14,598.81

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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.