Home / 12,021.04-18,029.74-4,228.03

Finding the Fourth Proportional to 12,021.04, 18,029.74 and 4,228.03

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Solution

The fourth proportional to 12,021.04, 18,029.74 and 4,228.03 is: 6,341.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021.04 : 18,029.74 = 4,228.03 : x
  2. Step 2: Convert to fraction form
    12,021.04/18,029.74 = 4,228.03/x
  3. Step 3: Cross multiply
    12,021.04x = 18,029.74 × 4,228.03
  4. Step 4: Simplify right side
    12,021.04x = 76,230,301.51
  5. Step 5: Solve for x
    x = 76,230,301.51/12,021.04
  6. Step 6: Final answer
    x = 6,341.41

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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.