Home / 12,684.10-19,025.60-3,323.91

Finding the Fourth Proportional to 12,684.10, 19,025.60 and 3,323.91

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Solution

The fourth proportional to 12,684.10, 19,025.60 and 3,323.91 is: 4,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,684.10 : 19,025.60 = 3,323.91 : x
  2. Step 2: Convert to fraction form
    12,684.10/19,025.60 = 3,323.91/x
  3. Step 3: Cross multiply
    12,684.10x = 19,025.60 × 3,323.91
  4. Step 4: Simplify right side
    12,684.10x = 63,239,382.10
  5. Step 5: Solve for x
    x = 63,239,382.10/12,684.10
  6. Step 6: Final answer
    x = 4,985.72

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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.