Home / 9,722.42-13,414.86-6,186.32

Finding the Fourth Proportional to 9,722.42, 13,414.86 and 6,186.32

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Solution

The fourth proportional to 9,722.42, 13,414.86 and 6,186.32 is: 8,535.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,722.42 : 13,414.86 = 6,186.32 : x
  2. Step 2: Convert to fraction form
    9,722.42/13,414.86 = 6,186.32/x
  3. Step 3: Cross multiply
    9,722.42x = 13,414.86 × 6,186.32
  4. Step 4: Simplify right side
    9,722.42x = 82,988,549.64
  5. Step 5: Solve for x
    x = 82,988,549.64/9,722.42
  6. Step 6: Final answer
    x = 8,535.79

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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.