Home / 14,118.41-21,167.08-8,494.76

Finding the Fourth Proportional to 14,118.41, 21,167.08 and 8,494.76

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Solution

The fourth proportional to 14,118.41, 21,167.08 and 8,494.76 is: 12,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.41 : 21,167.08 = 8,494.76 : x
  2. Step 2: Convert to fraction form
    14,118.41/21,167.08 = 8,494.76/x
  3. Step 3: Cross multiply
    14,118.41x = 21,167.08 × 8,494.76
  4. Step 4: Simplify right side
    14,118.41x = 179,809,328.04
  5. Step 5: Solve for x
    x = 179,809,328.04/14,118.41
  6. Step 6: Final answer
    x = 12,735.80

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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.