Home / 11,621.32-16,035.78-6,907.48

Finding the Fourth Proportional to 11,621.32, 16,035.78 and 6,907.48

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Solution

The fourth proportional to 11,621.32, 16,035.78 and 6,907.48 is: 9,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.32 : 16,035.78 = 6,907.48 : x
  2. Step 2: Convert to fraction form
    11,621.32/16,035.78 = 6,907.48/x
  3. Step 3: Cross multiply
    11,621.32x = 16,035.78 × 6,907.48
  4. Step 4: Simplify right side
    11,621.32x = 110,766,829.63
  5. Step 5: Solve for x
    x = 110,766,829.63/11,621.32
  6. Step 6: Final answer
    x = 9,531.35

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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.