Home / 9,333.20-12,872.04-6,980.96

Finding the Fourth Proportional to 9,333.20, 12,872.04 and 6,980.96

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Solution

The fourth proportional to 9,333.20, 12,872.04 and 6,980.96 is: 9,627.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,333.20 : 12,872.04 = 6,980.96 : x
  2. Step 2: Convert to fraction form
    9,333.20/12,872.04 = 6,980.96/x
  3. Step 3: Cross multiply
    9,333.20x = 12,872.04 × 6,980.96
  4. Step 4: Simplify right side
    9,333.20x = 89,859,196.36
  5. Step 5: Solve for x
    x = 89,859,196.36/9,333.20
  6. Step 6: Final answer
    x = 9,627.91

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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.