Home / 11,851.64-16,341.18-7,866.44

Finding the Fourth Proportional to 11,851.64, 16,341.18 and 7,866.44

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Solution

The fourth proportional to 11,851.64, 16,341.18 and 7,866.44 is: 10,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.64 : 16,341.18 = 7,866.44 : x
  2. Step 2: Convert to fraction form
    11,851.64/16,341.18 = 7,866.44/x
  3. Step 3: Cross multiply
    11,851.64x = 16,341.18 × 7,866.44
  4. Step 4: Simplify right side
    11,851.64x = 128,546,912.00
  5. Step 5: Solve for x
    x = 128,546,912.00/11,851.64
  6. Step 6: Final answer
    x = 10,846.34

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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.