Home / 19,345.23-28,999.44-6,189.12

Finding the Fourth Proportional to 19,345.23, 28,999.44 and 6,189.12

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Solution

The fourth proportional to 19,345.23, 28,999.44 and 6,189.12 is: 9,277.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.23 : 28,999.44 = 6,189.12 : x
  2. Step 2: Convert to fraction form
    19,345.23/28,999.44 = 6,189.12/x
  3. Step 3: Cross multiply
    19,345.23x = 28,999.44 × 6,189.12
  4. Step 4: Simplify right side
    19,345.23x = 179,481,014.09
  5. Step 5: Solve for x
    x = 179,481,014.09/19,345.23
  6. Step 6: Final answer
    x = 9,277.79

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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.