Home / 14,102.15-21,146.46-4,739.57

Finding the Fourth Proportional to 14,102.15, 21,146.46 and 4,739.57

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Solution

The fourth proportional to 14,102.15, 21,146.46 and 4,739.57 is: 7,107.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.15 : 21,146.46 = 4,739.57 : x
  2. Step 2: Convert to fraction form
    14,102.15/21,146.46 = 4,739.57/x
  3. Step 3: Cross multiply
    14,102.15x = 21,146.46 × 4,739.57
  4. Step 4: Simplify right side
    14,102.15x = 100,225,021.69
  5. Step 5: Solve for x
    x = 100,225,021.69/14,102.15
  6. Step 6: Final answer
    x = 7,107.08

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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.