Home / 14,477.05-21,722.50-8,156.97

Finding the Fourth Proportional to 14,477.05, 21,722.50 and 8,156.97

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Solution

The fourth proportional to 14,477.05, 21,722.50 and 8,156.97 is: 12,239.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,477.05 : 21,722.50 = 8,156.97 : x
  2. Step 2: Convert to fraction form
    14,477.05/21,722.50 = 8,156.97/x
  3. Step 3: Cross multiply
    14,477.05x = 21,722.50 × 8,156.97
  4. Step 4: Simplify right side
    14,477.05x = 177,189,813.96
  5. Step 5: Solve for x
    x = 177,189,813.96/14,477.05
  6. Step 6: Final answer
    x = 12,239.36

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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.