Home / 9,829.23-13,560.62-6,291.87

Finding the Fourth Proportional to 9,829.23, 13,560.62 and 6,291.87

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Solution

The fourth proportional to 9,829.23, 13,560.62 and 6,291.87 is: 8,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.23 : 13,560.62 = 6,291.87 : x
  2. Step 2: Convert to fraction form
    9,829.23/13,560.62 = 6,291.87/x
  3. Step 3: Cross multiply
    9,829.23x = 13,560.62 × 6,291.87
  4. Step 4: Simplify right side
    9,829.23x = 85,321,626.70
  5. Step 5: Solve for x
    x = 85,321,626.70/9,829.23
  6. Step 6: Final answer
    x = 8,680.40

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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.