Home / 9,829.44-13,560.64-6,291.84

Finding the Fourth Proportional to 9,829.44, 13,560.64 and 6,291.84

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Solution

The fourth proportional to 9,829.44, 13,560.64 and 6,291.84 is: 8,680.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.44 : 13,560.64 = 6,291.84 : x
  2. Step 2: Convert to fraction form
    9,829.44/13,560.64 = 6,291.84/x
  3. Step 3: Cross multiply
    9,829.44x = 13,560.64 × 6,291.84
  4. Step 4: Simplify right side
    9,829.44x = 85,321,377.18
  5. Step 5: Solve for x
    x = 85,321,377.18/9,829.44
  6. Step 6: Final answer
    x = 8,680.19

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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.