Home / 12,683.30-19,028.19-4,890.02

Finding the Fourth Proportional to 12,683.30, 19,028.19 and 4,890.02

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Solution

The fourth proportional to 12,683.30, 19,028.19 and 4,890.02 is: 7,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,683.30 : 19,028.19 = 4,890.02 : x
  2. Step 2: Convert to fraction form
    12,683.30/19,028.19 = 4,890.02/x
  3. Step 3: Cross multiply
    12,683.30x = 19,028.19 × 4,890.02
  4. Step 4: Simplify right side
    12,683.30x = 93,048,229.66
  5. Step 5: Solve for x
    x = 93,048,229.66/12,683.30
  6. Step 6: Final answer
    x = 7,336.28

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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.