Home / 9,319.64-12,846.51-6,330.28

Finding the Fourth Proportional to 9,319.64, 12,846.51 and 6,330.28

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Solution

The fourth proportional to 9,319.64, 12,846.51 and 6,330.28 is: 8,725.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.64 : 12,846.51 = 6,330.28 : x
  2. Step 2: Convert to fraction form
    9,319.64/12,846.51 = 6,330.28/x
  3. Step 3: Cross multiply
    9,319.64x = 12,846.51 × 6,330.28
  4. Step 4: Simplify right side
    9,319.64x = 81,321,979.49
  5. Step 5: Solve for x
    x = 81,321,979.49/9,319.64
  6. Step 6: Final answer
    x = 8,725.88

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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.