Home / 11,975.60-16,526.36-6,940.79

Finding the Fourth Proportional to 11,975.60, 16,526.36 and 6,940.79

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Solution

The fourth proportional to 11,975.60, 16,526.36 and 6,940.79 is: 9,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.60 : 16,526.36 = 6,940.79 : x
  2. Step 2: Convert to fraction form
    11,975.60/16,526.36 = 6,940.79/x
  3. Step 3: Cross multiply
    11,975.60x = 16,526.36 × 6,940.79
  4. Step 4: Simplify right side
    11,975.60x = 114,705,994.22
  5. Step 5: Solve for x
    x = 114,705,994.22/11,975.60
  6. Step 6: Final answer
    x = 9,578.31

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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.