Home / 12,025.30-18,038.86-3,260.10

Finding the Fourth Proportional to 12,025.30, 18,038.86 and 3,260.10

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Solution

The fourth proportional to 12,025.30, 18,038.86 and 3,260.10 is: 4,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.30 : 18,038.86 = 3,260.10 : x
  2. Step 2: Convert to fraction form
    12,025.30/18,038.86 = 3,260.10/x
  3. Step 3: Cross multiply
    12,025.30x = 18,038.86 × 3,260.10
  4. Step 4: Simplify right side
    12,025.30x = 58,808,487.49
  5. Step 5: Solve for x
    x = 58,808,487.49/12,025.30
  6. Step 6: Final answer
    x = 4,890.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.