Home / 19,957.38-27,541.37-11,005.18

Finding the Fourth Proportional to 19,957.38, 27,541.37 and 11,005.18

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Solution

The fourth proportional to 19,957.38, 27,541.37 and 11,005.18 is: 15,187.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.38 : 27,541.37 = 11,005.18 : x
  2. Step 2: Convert to fraction form
    19,957.38/27,541.37 = 11,005.18/x
  3. Step 3: Cross multiply
    19,957.38x = 27,541.37 × 11,005.18
  4. Step 4: Simplify right side
    19,957.38x = 303,097,734.30
  5. Step 5: Solve for x
    x = 303,097,734.30/19,957.38
  6. Step 6: Final answer
    x = 15,187.25

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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.