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Finding the Fourth Proportional to 9,479.97, 14,219.01 and 6,859.89

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Solution

The fourth proportional to 9,479.97, 14,219.01 and 6,859.89 is: 10,289.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.97 : 14,219.01 = 6,859.89 : x
  2. Step 2: Convert to fraction form
    9,479.97/14,219.01 = 6,859.89/x
  3. Step 3: Cross multiply
    9,479.97x = 14,219.01 × 6,859.89
  4. Step 4: Simplify right side
    9,479.97x = 97,540,844.51
  5. Step 5: Solve for x
    x = 97,540,844.51/9,479.97
  6. Step 6: Final answer
    x = 10,289.15

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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.