Home / 12,028-18,042.27-4,130.50

Finding the Fourth Proportional to 12,028, 18,042.27 and 4,130.50

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Solution

The fourth proportional to 12,028, 18,042.27 and 4,130.50 is: 6,195.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028 : 18,042.27 = 4,130.50 : x
  2. Step 2: Convert to fraction form
    12,028/18,042.27 = 4,130.50/x
  3. Step 3: Cross multiply
    12,028x = 18,042.27 × 4,130.50
  4. Step 4: Simplify right side
    12,028x = 74,523,596.24
  5. Step 5: Solve for x
    x = 74,523,596.24/12,028
  6. Step 6: Final answer
    x = 6,195.84

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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.