Home / 19,957.48-27,541.62-11,005

Finding the Fourth Proportional to 19,957.48, 27,541.62 and 11,005

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Solution

The fourth proportional to 19,957.48, 27,541.62 and 11,005 is: 15,187.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.48 : 27,541.62 = 11,005 : x
  2. Step 2: Convert to fraction form
    19,957.48/27,541.62 = 11,005/x
  3. Step 3: Cross multiply
    19,957.48x = 27,541.62 × 11,005
  4. Step 4: Simplify right side
    19,957.48x = 303,095,528.10
  5. Step 5: Solve for x
    x = 303,095,528.10/19,957.48
  6. Step 6: Final answer
    x = 15,187.06

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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.