Home / 9,330.85-12,872.41-6,304.99

Finding the Fourth Proportional to 9,330.85, 12,872.41 and 6,304.99

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Solution

The fourth proportional to 9,330.85, 12,872.41 and 6,304.99 is: 8,698.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.85 : 12,872.41 = 6,304.99 : x
  2. Step 2: Convert to fraction form
    9,330.85/12,872.41 = 6,304.99/x
  3. Step 3: Cross multiply
    9,330.85x = 12,872.41 × 6,304.99
  4. Step 4: Simplify right side
    9,330.85x = 81,160,384.80
  5. Step 5: Solve for x
    x = 81,160,384.80/9,330.85
  6. Step 6: Final answer
    x = 8,698.07

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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.