Home / 9,548.64-13,170.06-6,399.36

Finding the Fourth Proportional to 9,548.64, 13,170.06 and 6,399.36

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Solution

The fourth proportional to 9,548.64, 13,170.06 and 6,399.36 is: 8,826.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,548.64 : 13,170.06 = 6,399.36 : x
  2. Step 2: Convert to fraction form
    9,548.64/13,170.06 = 6,399.36/x
  3. Step 3: Cross multiply
    9,548.64x = 13,170.06 × 6,399.36
  4. Step 4: Simplify right side
    9,548.64x = 84,279,955.16
  5. Step 5: Solve for x
    x = 84,279,955.16/9,548.64
  6. Step 6: Final answer
    x = 8,826.38

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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.