Home / 14,688.14-21,993.93-8,105.27

Finding the Fourth Proportional to 14,688.14, 21,993.93 and 8,105.27

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Solution

The fourth proportional to 14,688.14, 21,993.93 and 8,105.27 is: 12,136.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688.14 : 21,993.93 = 8,105.27 : x
  2. Step 2: Convert to fraction form
    14,688.14/21,993.93 = 8,105.27/x
  3. Step 3: Cross multiply
    14,688.14x = 21,993.93 × 8,105.27
  4. Step 4: Simplify right side
    14,688.14x = 178,266,631.04
  5. Step 5: Solve for x
    x = 178,266,631.04/14,688.14
  6. Step 6: Final answer
    x = 12,136.78

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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.