Home / 12,002.40-18,003.78-3,237.30

Finding the Fourth Proportional to 12,002.40, 18,003.78 and 3,237.30

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Solution

The fourth proportional to 12,002.40, 18,003.78 and 3,237.30 is: 4,856.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002.40 : 18,003.78 = 3,237.30 : x
  2. Step 2: Convert to fraction form
    12,002.40/18,003.78 = 3,237.30/x
  3. Step 3: Cross multiply
    12,002.40x = 18,003.78 × 3,237.30
  4. Step 4: Simplify right side
    12,002.40x = 58,283,636.99
  5. Step 5: Solve for x
    x = 58,283,636.99/12,002.40
  6. Step 6: Final answer
    x = 4,856.00

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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.