Home / 8,364.16-12,546.24-7,966

Finding the Fourth Proportional to 8,364.16, 12,546.24 and 7,966

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Solution

The fourth proportional to 8,364.16, 12,546.24 and 7,966 is: 11,949

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.16 : 12,546.24 = 7,966 : x
  2. Step 2: Convert to fraction form
    8,364.16/12,546.24 = 7,966/x
  3. Step 3: Cross multiply
    8,364.16x = 12,546.24 × 7,966
  4. Step 4: Simplify right side
    8,364.16x = 99,943,347.84
  5. Step 5: Solve for x
    x = 99,943,347.84/8,364.16
  6. Step 6: Final answer
    x = 11,949

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.