Home / 9,463.05-12,964.43-9,108.35

Finding the Fourth Proportional to 9,463.05, 12,964.43 and 9,108.35

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Solution

The fourth proportional to 9,463.05, 12,964.43 and 9,108.35 is: 12,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,463.05 : 12,964.43 = 9,108.35 : x
  2. Step 2: Convert to fraction form
    9,463.05/12,964.43 = 9,108.35/x
  3. Step 3: Cross multiply
    9,463.05x = 12,964.43 × 9,108.35
  4. Step 4: Simplify right side
    9,463.05x = 118,084,546.94
  5. Step 5: Solve for x
    x = 118,084,546.94/9,463.05
  6. Step 6: Final answer
    x = 12,478.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.