Home / 11,319.30-15,619.88-6,283.27

Finding the Fourth Proportional to 11,319.30, 15,619.88 and 6,283.27

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Solution

The fourth proportional to 11,319.30, 15,619.88 and 6,283.27 is: 8,670.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.30 : 15,619.88 = 6,283.27 : x
  2. Step 2: Convert to fraction form
    11,319.30/15,619.88 = 6,283.27/x
  3. Step 3: Cross multiply
    11,319.30x = 15,619.88 × 6,283.27
  4. Step 4: Simplify right side
    11,319.30x = 98,143,958.64
  5. Step 5: Solve for x
    x = 98,143,958.64/11,319.30
  6. Step 6: Final answer
    x = 8,670.50

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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.