Home / 20,896.06-28,837.06-11,464.62

Finding the Fourth Proportional to 20,896.06, 28,837.06 and 11,464.62

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Solution

The fourth proportional to 20,896.06, 28,837.06 and 11,464.62 is: 15,821.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,896.06 : 28,837.06 = 11,464.62 : x
  2. Step 2: Convert to fraction form
    20,896.06/28,837.06 = 11,464.62/x
  3. Step 3: Cross multiply
    20,896.06x = 28,837.06 × 11,464.62
  4. Step 4: Simplify right side
    20,896.06x = 330,605,934.82
  5. Step 5: Solve for x
    x = 330,605,934.82/20,896.06
  6. Step 6: Final answer
    x = 15,821.45

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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.