Home / 11,985.38-17,965.74-4,587.84

Finding the Fourth Proportional to 11,985.38, 17,965.74 and 4,587.84

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Solution

The fourth proportional to 11,985.38, 17,965.74 and 4,587.84 is: 6,877.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.38 : 17,965.74 = 4,587.84 : x
  2. Step 2: Convert to fraction form
    11,985.38/17,965.74 = 4,587.84/x
  3. Step 3: Cross multiply
    11,985.38x = 17,965.74 × 4,587.84
  4. Step 4: Simplify right side
    11,985.38x = 82,423,940.60
  5. Step 5: Solve for x
    x = 82,423,940.60/11,985.38
  6. Step 6: Final answer
    x = 6,877.04

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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.