Home / 9,323.19-12,855.42-6,800.85

Finding the Fourth Proportional to 9,323.19, 12,855.42 and 6,800.85

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Solution

The fourth proportional to 9,323.19, 12,855.42 and 6,800.85 is: 9,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.19 : 12,855.42 = 6,800.85 : x
  2. Step 2: Convert to fraction form
    9,323.19/12,855.42 = 6,800.85/x
  3. Step 3: Cross multiply
    9,323.19x = 12,855.42 × 6,800.85
  4. Step 4: Simplify right side
    9,323.19x = 87,427,783.11
  5. Step 5: Solve for x
    x = 87,427,783.11/9,323.19
  6. Step 6: Final answer
    x = 9,377.45

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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.