Home / 17,888.91-26,804.19-9,111.75

Finding the Fourth Proportional to 17,888.91, 26,804.19 and 9,111.75

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Solution

The fourth proportional to 17,888.91, 26,804.19 and 9,111.75 is: 13,652.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888.91 : 26,804.19 = 9,111.75 : x
  2. Step 2: Convert to fraction form
    17,888.91/26,804.19 = 9,111.75/x
  3. Step 3: Cross multiply
    17,888.91x = 26,804.19 × 9,111.75
  4. Step 4: Simplify right side
    17,888.91x = 244,233,078.23
  5. Step 5: Solve for x
    x = 244,233,078.23/17,888.91
  6. Step 6: Final answer
    x = 13,652.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.