Home / 11,319.42-15,619.94-6,283.18

Finding the Fourth Proportional to 11,319.42, 15,619.94 and 6,283.18

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Solution

The fourth proportional to 11,319.42, 15,619.94 and 6,283.18 is: 8,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.42 : 15,619.94 = 6,283.18 : x
  2. Step 2: Convert to fraction form
    11,319.42/15,619.94 = 6,283.18/x
  3. Step 3: Cross multiply
    11,319.42x = 15,619.94 × 6,283.18
  4. Step 4: Simplify right side
    11,319.42x = 98,142,906.28
  5. Step 5: Solve for x
    x = 98,142,906.28/11,319.42
  6. Step 6: Final answer
    x = 8,670.31

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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.