Home / 14,149.70-21,229.07-4,289.03

Finding the Fourth Proportional to 14,149.70, 21,229.07 and 4,289.03

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Solution

The fourth proportional to 14,149.70, 21,229.07 and 4,289.03 is: 6,434.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.70 : 21,229.07 = 4,289.03 : x
  2. Step 2: Convert to fraction form
    14,149.70/21,229.07 = 4,289.03/x
  3. Step 3: Cross multiply
    14,149.70x = 21,229.07 × 4,289.03
  4. Step 4: Simplify right side
    14,149.70x = 91,051,990.51
  5. Step 5: Solve for x
    x = 91,051,990.51/14,149.70
  6. Step 6: Final answer
    x = 6,434.91

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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.