Home / 14,628.20-21,936.90-4,767.80

Finding the Fourth Proportional to 14,628.20, 21,936.90 and 4,767.80

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Solution

The fourth proportional to 14,628.20, 21,936.90 and 4,767.80 is: 7,149.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,628.20 : 21,936.90 = 4,767.80 : x
  2. Step 2: Convert to fraction form
    14,628.20/21,936.90 = 4,767.80/x
  3. Step 3: Cross multiply
    14,628.20x = 21,936.90 × 4,767.80
  4. Step 4: Simplify right side
    14,628.20x = 104,590,751.82
  5. Step 5: Solve for x
    x = 104,590,751.82/14,628.20
  6. Step 6: Final answer
    x = 7,149.94

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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.