Home / 19,003.24-28,489.48-7,918.26

Finding the Fourth Proportional to 19,003.24, 28,489.48 and 7,918.26

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Solution

The fourth proportional to 19,003.24, 28,489.48 and 7,918.26 is: 11,870.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003.24 : 28,489.48 = 7,918.26 : x
  2. Step 2: Convert to fraction form
    19,003.24/28,489.48 = 7,918.26/x
  3. Step 3: Cross multiply
    19,003.24x = 28,489.48 × 7,918.26
  4. Step 4: Simplify right side
    19,003.24x = 225,587,109.90
  5. Step 5: Solve for x
    x = 225,587,109.90/19,003.24
  6. Step 6: Final answer
    x = 11,870.98

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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.