Home / 14,890.68-20,558.75-9,231.44

Finding the Fourth Proportional to 14,890.68, 20,558.75 and 9,231.44

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Solution

The fourth proportional to 14,890.68, 20,558.75 and 9,231.44 is: 12,745.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.68 : 20,558.75 = 9,231.44 : x
  2. Step 2: Convert to fraction form
    14,890.68/20,558.75 = 9,231.44/x
  3. Step 3: Cross multiply
    14,890.68x = 20,558.75 × 9,231.44
  4. Step 4: Simplify right side
    14,890.68x = 189,786,867.10
  5. Step 5: Solve for x
    x = 189,786,867.10/14,890.68
  6. Step 6: Final answer
    x = 12,745.35

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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.