Home / 14,169.17-21,224.58-8,311.66

Finding the Fourth Proportional to 14,169.17, 21,224.58 and 8,311.66

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Solution

The fourth proportional to 14,169.17, 21,224.58 and 8,311.66 is: 12,450.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.17 : 21,224.58 = 8,311.66 : x
  2. Step 2: Convert to fraction form
    14,169.17/21,224.58 = 8,311.66/x
  3. Step 3: Cross multiply
    14,169.17x = 21,224.58 × 8,311.66
  4. Step 4: Simplify right side
    14,169.17x = 176,411,492.60
  5. Step 5: Solve for x
    x = 176,411,492.60/14,169.17
  6. Step 6: Final answer
    x = 12,450.38

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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.