Home / 14,069.44-19,416.19-8,480.80

Finding the Fourth Proportional to 14,069.44, 19,416.19 and 8,480.80

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Solution

The fourth proportional to 14,069.44, 19,416.19 and 8,480.80 is: 11,703.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069.44 : 19,416.19 = 8,480.80 : x
  2. Step 2: Convert to fraction form
    14,069.44/19,416.19 = 8,480.80/x
  3. Step 3: Cross multiply
    14,069.44x = 19,416.19 × 8,480.80
  4. Step 4: Simplify right side
    14,069.44x = 164,664,754.41
  5. Step 5: Solve for x
    x = 164,664,754.41/14,069.44
  6. Step 6: Final answer
    x = 11,703.72

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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.