Home / 14,100.84-21,150.48-4,739.90

Finding the Fourth Proportional to 14,100.84, 21,150.48 and 4,739.90

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Solution

The fourth proportional to 14,100.84, 21,150.48 and 4,739.90 is: 7,109.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.84 : 21,150.48 = 4,739.90 : x
  2. Step 2: Convert to fraction form
    14,100.84/21,150.48 = 4,739.90/x
  3. Step 3: Cross multiply
    14,100.84x = 21,150.48 × 4,739.90
  4. Step 4: Simplify right side
    14,100.84x = 100,251,072.17
  5. Step 5: Solve for x
    x = 100,251,072.17/14,100.84
  6. Step 6: Final answer
    x = 7,109.58

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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.