Home / 9,316.56-12,853.71-6,327.21

Finding the Fourth Proportional to 9,316.56, 12,853.71 and 6,327.21

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Solution

The fourth proportional to 9,316.56, 12,853.71 and 6,327.21 is: 8,729.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.56 : 12,853.71 = 6,327.21 : x
  2. Step 2: Convert to fraction form
    9,316.56/12,853.71 = 6,327.21/x
  3. Step 3: Cross multiply
    9,316.56x = 12,853.71 × 6,327.21
  4. Step 4: Simplify right side
    9,316.56x = 81,328,122.45
  5. Step 5: Solve for x
    x = 81,328,122.45/9,316.56
  6. Step 6: Final answer
    x = 8,729.42

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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.