Home / 9,699.42-14,546.82-2,679.28

Finding the Fourth Proportional to 9,699.42, 14,546.82 and 2,679.28

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Solution

The fourth proportional to 9,699.42, 14,546.82 and 2,679.28 is: 4,018.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,699.42 : 14,546.82 = 2,679.28 : x
  2. Step 2: Convert to fraction form
    9,699.42/14,546.82 = 2,679.28/x
  3. Step 3: Cross multiply
    9,699.42x = 14,546.82 × 2,679.28
  4. Step 4: Simplify right side
    9,699.42x = 38,974,927.81
  5. Step 5: Solve for x
    x = 38,974,927.81/9,699.42
  6. Step 6: Final answer
    x = 4,018.28

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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.