Home / 19,647.24-27,116-11,151.47

Finding the Fourth Proportional to 19,647.24, 27,116 and 11,151.47

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Solution

The fourth proportional to 19,647.24, 27,116 and 11,151.47 is: 15,390.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.24 : 27,116 = 11,151.47 : x
  2. Step 2: Convert to fraction form
    19,647.24/27,116 = 11,151.47/x
  3. Step 3: Cross multiply
    19,647.24x = 27,116 × 11,151.47
  4. Step 4: Simplify right side
    19,647.24x = 302,383,260.52
  5. Step 5: Solve for x
    x = 302,383,260.52/19,647.24
  6. Step 6: Final answer
    x = 15,390.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.