Home / 10,971.54-15,141.60-6,994.44

Finding the Fourth Proportional to 10,971.54, 15,141.60 and 6,994.44

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Solution

The fourth proportional to 10,971.54, 15,141.60 and 6,994.44 is: 9,652.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971.54 : 15,141.60 = 6,994.44 : x
  2. Step 2: Convert to fraction form
    10,971.54/15,141.60 = 6,994.44/x
  3. Step 3: Cross multiply
    10,971.54x = 15,141.60 × 6,994.44
  4. Step 4: Simplify right side
    10,971.54x = 105,907,012.70
  5. Step 5: Solve for x
    x = 105,907,012.70/10,971.54
  6. Step 6: Final answer
    x = 9,652.88

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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.