Home / 12,028.70-18,043.60-4,630.52

Finding the Fourth Proportional to 12,028.70, 18,043.60 and 4,630.52

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Solution

The fourth proportional to 12,028.70, 18,043.60 and 4,630.52 is: 6,945.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.70 : 18,043.60 = 4,630.52 : x
  2. Step 2: Convert to fraction form
    12,028.70/18,043.60 = 4,630.52/x
  3. Step 3: Cross multiply
    12,028.70x = 18,043.60 × 4,630.52
  4. Step 4: Simplify right side
    12,028.70x = 83,551,250.67
  5. Step 5: Solve for x
    x = 83,551,250.67/12,028.70
  6. Step 6: Final answer
    x = 6,945.99

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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.