Home / 14,869.44-20,520-8,583.84

Finding the Fourth Proportional to 14,869.44, 20,520 and 8,583.84

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Solution

The fourth proportional to 14,869.44, 20,520 and 8,583.84 is: 11,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,869.44 : 20,520 = 8,583.84 : x
  2. Step 2: Convert to fraction form
    14,869.44/20,520 = 8,583.84/x
  3. Step 3: Cross multiply
    14,869.44x = 20,520 × 8,583.84
  4. Step 4: Simplify right side
    14,869.44x = 176,140,396.80
  5. Step 5: Solve for x
    x = 176,140,396.80/14,869.44
  6. Step 6: Final answer
    x = 11,845.80

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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.