Home / 13,798.62-20,683.55-6,396.98

Finding the Fourth Proportional to 13,798.62, 20,683.55 and 6,396.98

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Solution

The fourth proportional to 13,798.62, 20,683.55 and 6,396.98 is: 9,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.62 : 20,683.55 = 6,396.98 : x
  2. Step 2: Convert to fraction form
    13,798.62/20,683.55 = 6,396.98/x
  3. Step 3: Cross multiply
    13,798.62x = 20,683.55 × 6,396.98
  4. Step 4: Simplify right side
    13,798.62x = 132,312,168.25
  5. Step 5: Solve for x
    x = 132,312,168.25/13,798.62
  6. Step 6: Final answer
    x = 9,588.80

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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.