Home / 34,513.56-51,768.48-11,140

Finding the Fourth Proportional to 34,513.56, 51,768.48 and 11,140

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Solution

The fourth proportional to 34,513.56, 51,768.48 and 11,140 is: 16,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,513.56 : 51,768.48 = 11,140 : x
  2. Step 2: Convert to fraction form
    34,513.56/51,768.48 = 11,140/x
  3. Step 3: Cross multiply
    34,513.56x = 51,768.48 × 11,140
  4. Step 4: Simplify right side
    34,513.56x = 576,700,867.20
  5. Step 5: Solve for x
    x = 576,700,867.20/34,513.56
  6. Step 6: Final answer
    x = 16,709.40

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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.