Home / 19,197.40-28,812.30-8,683.60

Finding the Fourth Proportional to 19,197.40, 28,812.30 and 8,683.60

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Solution

The fourth proportional to 19,197.40, 28,812.30 and 8,683.60 is: 13,032.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197.40 : 28,812.30 = 8,683.60 : x
  2. Step 2: Convert to fraction form
    19,197.40/28,812.30 = 8,683.60/x
  3. Step 3: Cross multiply
    19,197.40x = 28,812.30 × 8,683.60
  4. Step 4: Simplify right side
    19,197.40x = 250,194,488.28
  5. Step 5: Solve for x
    x = 250,194,488.28/19,197.40
  6. Step 6: Final answer
    x = 13,032.73

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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.