Home / 9,872.32-13,622.16-6,334.84

Finding the Fourth Proportional to 9,872.32, 13,622.16 and 6,334.84

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Solution

The fourth proportional to 9,872.32, 13,622.16 and 6,334.84 is: 8,741.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.32 : 13,622.16 = 6,334.84 : x
  2. Step 2: Convert to fraction form
    9,872.32/13,622.16 = 6,334.84/x
  3. Step 3: Cross multiply
    9,872.32x = 13,622.16 × 6,334.84
  4. Step 4: Simplify right side
    9,872.32x = 86,294,204.05
  5. Step 5: Solve for x
    x = 86,294,204.05/9,872.32
  6. Step 6: Final answer
    x = 8,741.03

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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.