Home / 9,878.98-13,626.57-6,336.58

Finding the Fourth Proportional to 9,878.98, 13,626.57 and 6,336.58

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Solution

The fourth proportional to 9,878.98, 13,626.57 and 6,336.58 is: 8,740.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,878.98 : 13,626.57 = 6,336.58 : x
  2. Step 2: Convert to fraction form
    9,878.98/13,626.57 = 6,336.58/x
  3. Step 3: Cross multiply
    9,878.98x = 13,626.57 × 6,336.58
  4. Step 4: Simplify right side
    9,878.98x = 86,345,850.93
  5. Step 5: Solve for x
    x = 86,345,850.93/9,878.98
  6. Step 6: Final answer
    x = 8,740.36

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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.