Home / 14,586.23-20,128.83-8,617.77

Finding the Fourth Proportional to 14,586.23, 20,128.83 and 8,617.77

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Solution

The fourth proportional to 14,586.23, 20,128.83 and 8,617.77 is: 11,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586.23 : 20,128.83 = 8,617.77 : x
  2. Step 2: Convert to fraction form
    14,586.23/20,128.83 = 8,617.77/x
  3. Step 3: Cross multiply
    14,586.23x = 20,128.83 × 8,617.77
  4. Step 4: Simplify right side
    14,586.23x = 173,465,562.62
  5. Step 5: Solve for x
    x = 173,465,562.62/14,586.23
  6. Step 6: Final answer
    x = 11,892.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.