Home / 9,330.72-12,872.70-6,497.34

Finding the Fourth Proportional to 9,330.72, 12,872.70 and 6,497.34

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Solution

The fourth proportional to 9,330.72, 12,872.70 and 6,497.34 is: 8,963.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.72 : 12,872.70 = 6,497.34 : x
  2. Step 2: Convert to fraction form
    9,330.72/12,872.70 = 6,497.34/x
  3. Step 3: Cross multiply
    9,330.72x = 12,872.70 × 6,497.34
  4. Step 4: Simplify right side
    9,330.72x = 83,638,308.62
  5. Step 5: Solve for x
    x = 83,638,308.62/9,330.72
  6. Step 6: Final answer
    x = 8,963.76

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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.