Home / 14,684.08-20,265.12-8,396.80

Finding the Fourth Proportional to 14,684.08, 20,265.12 and 8,396.80

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Solution

The fourth proportional to 14,684.08, 20,265.12 and 8,396.80 is: 11,588.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,684.08 : 20,265.12 = 8,396.80 : x
  2. Step 2: Convert to fraction form
    14,684.08/20,265.12 = 8,396.80/x
  3. Step 3: Cross multiply
    14,684.08x = 20,265.12 × 8,396.80
  4. Step 4: Simplify right side
    14,684.08x = 170,162,159.62
  5. Step 5: Solve for x
    x = 170,162,159.62/14,684.08
  6. Step 6: Final answer
    x = 11,588.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.