Home / 9,851.36-13,589.81-6,664.79

Finding the Fourth Proportional to 9,851.36, 13,589.81 and 6,664.79

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Solution

The fourth proportional to 9,851.36, 13,589.81 and 6,664.79 is: 9,193.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,851.36 : 13,589.81 = 6,664.79 : x
  2. Step 2: Convert to fraction form
    9,851.36/13,589.81 = 6,664.79/x
  3. Step 3: Cross multiply
    9,851.36x = 13,589.81 × 6,664.79
  4. Step 4: Simplify right side
    9,851.36x = 90,573,255.43
  5. Step 5: Solve for x
    x = 90,573,255.43/9,851.36
  6. Step 6: Final answer
    x = 9,193.99

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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.