Home / 11,930.67-17,897.85-3,609.63

Finding the Fourth Proportional to 11,930.67, 17,897.85 and 3,609.63

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Solution

The fourth proportional to 11,930.67, 17,897.85 and 3,609.63 is: 5,415.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.67 : 17,897.85 = 3,609.63 : x
  2. Step 2: Convert to fraction form
    11,930.67/17,897.85 = 3,609.63/x
  3. Step 3: Cross multiply
    11,930.67x = 17,897.85 × 3,609.63
  4. Step 4: Simplify right side
    11,930.67x = 64,604,616.30
  5. Step 5: Solve for x
    x = 64,604,616.30/11,930.67
  6. Step 6: Final answer
    x = 5,415.00

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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.