Home / 11,321.56-15,622.63-6,284.58

Finding the Fourth Proportional to 11,321.56, 15,622.63 and 6,284.58

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Solution

The fourth proportional to 11,321.56, 15,622.63 and 6,284.58 is: 8,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.56 : 15,622.63 = 6,284.58 : x
  2. Step 2: Convert to fraction form
    11,321.56/15,622.63 = 6,284.58/x
  3. Step 3: Cross multiply
    11,321.56x = 15,622.63 × 6,284.58
  4. Step 4: Simplify right side
    11,321.56x = 98,181,668.05
  5. Step 5: Solve for x
    x = 98,181,668.05/11,321.56
  6. Step 6: Final answer
    x = 8,672.10

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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.