Home / 19,617.42-27,071.47-11,120.33

Finding the Fourth Proportional to 19,617.42, 27,071.47 and 11,120.33

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Solution

The fourth proportional to 19,617.42, 27,071.47 and 11,120.33 is: 15,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.42 : 27,071.47 = 11,120.33 : x
  2. Step 2: Convert to fraction form
    19,617.42/27,071.47 = 11,120.33/x
  3. Step 3: Cross multiply
    19,617.42x = 27,071.47 × 11,120.33
  4. Step 4: Simplify right side
    19,617.42x = 301,043,579.04
  5. Step 5: Solve for x
    x = 301,043,579.04/19,617.42
  6. Step 6: Final answer
    x = 15,345.73

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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.