Home / 11,319.33-15,621.36-6,844.18

Finding the Fourth Proportional to 11,319.33, 15,621.36 and 6,844.18

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Solution

The fourth proportional to 11,319.33, 15,621.36 and 6,844.18 is: 9,445.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.33 : 15,621.36 = 6,844.18 : x
  2. Step 2: Convert to fraction form
    11,319.33/15,621.36 = 6,844.18/x
  3. Step 3: Cross multiply
    11,319.33x = 15,621.36 × 6,844.18
  4. Step 4: Simplify right side
    11,319.33x = 106,915,364.26
  5. Step 5: Solve for x
    x = 106,915,364.26/11,319.33
  6. Step 6: Final answer
    x = 9,445.38

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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.