Home / 12,502.21-18,749.51-6,575.86

Finding the Fourth Proportional to 12,502.21, 18,749.51 and 6,575.86

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Solution

The fourth proportional to 12,502.21, 18,749.51 and 6,575.86 is: 9,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.21 : 18,749.51 = 6,575.86 : x
  2. Step 2: Convert to fraction form
    12,502.21/18,749.51 = 6,575.86/x
  3. Step 3: Cross multiply
    12,502.21x = 18,749.51 × 6,575.86
  4. Step 4: Simplify right side
    12,502.21x = 123,294,240.90
  5. Step 5: Solve for x
    x = 123,294,240.90/12,502.21
  6. Step 6: Final answer
    x = 9,861.80

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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.