Home / 9,279.18-13,918.57-2,259.23

Finding the Fourth Proportional to 9,279.18, 13,918.57 and 2,259.23

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Solution

The fourth proportional to 9,279.18, 13,918.57 and 2,259.23 is: 3,388.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.18 : 13,918.57 = 2,259.23 : x
  2. Step 2: Convert to fraction form
    9,279.18/13,918.57 = 2,259.23/x
  3. Step 3: Cross multiply
    9,279.18x = 13,918.57 × 2,259.23
  4. Step 4: Simplify right side
    9,279.18x = 31,445,175.66
  5. Step 5: Solve for x
    x = 31,445,175.66/9,279.18
  6. Step 6: Final answer
    x = 3,388.79

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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.