Home / 11,621.64-16,040.19-6,905.01

Finding the Fourth Proportional to 11,621.64, 16,040.19 and 6,905.01

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Solution

The fourth proportional to 11,621.64, 16,040.19 and 6,905.01 is: 9,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.64 : 16,040.19 = 6,905.01 : x
  2. Step 2: Convert to fraction form
    11,621.64/16,040.19 = 6,905.01/x
  3. Step 3: Cross multiply
    11,621.64x = 16,040.19 × 6,905.01
  4. Step 4: Simplify right side
    11,621.64x = 110,757,672.35
  5. Step 5: Solve for x
    x = 110,757,672.35/11,621.64
  6. Step 6: Final answer
    x = 9,530.30

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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.