Home / 19,617.72-29,409.99-8,516.07

Finding the Fourth Proportional to 19,617.72, 29,409.99 and 8,516.07

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Solution

The fourth proportional to 19,617.72, 29,409.99 and 8,516.07 is: 12,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.72 : 29,409.99 = 8,516.07 : x
  2. Step 2: Convert to fraction form
    19,617.72/29,409.99 = 8,516.07/x
  3. Step 3: Cross multiply
    19,617.72x = 29,409.99 × 8,516.07
  4. Step 4: Simplify right side
    19,617.72x = 250,457,533.54
  5. Step 5: Solve for x
    x = 250,457,533.54/19,617.72
  6. Step 6: Final answer
    x = 12,766.90

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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.