Home / 9,815.44-13,539.54-6,175.70

Finding the Fourth Proportional to 9,815.44, 13,539.54 and 6,175.70

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Solution

The fourth proportional to 9,815.44, 13,539.54 and 6,175.70 is: 8,518.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.44 : 13,539.54 = 6,175.70 : x
  2. Step 2: Convert to fraction form
    9,815.44/13,539.54 = 6,175.70/x
  3. Step 3: Cross multiply
    9,815.44x = 13,539.54 × 6,175.70
  4. Step 4: Simplify right side
    9,815.44x = 83,616,137.18
  5. Step 5: Solve for x
    x = 83,616,137.18/9,815.44
  6. Step 6: Final answer
    x = 8,518.84

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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.