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Finding the Fourth Proportional to 11,999.58, 17,987.06 and 4,602.05

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Solution

The fourth proportional to 11,999.58, 17,987.06 and 4,602.05 is: 6,898.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.58 : 17,987.06 = 4,602.05 : x
  2. Step 2: Convert to fraction form
    11,999.58/17,987.06 = 4,602.05/x
  3. Step 3: Cross multiply
    11,999.58x = 17,987.06 × 4,602.05
  4. Step 4: Simplify right side
    11,999.58x = 82,777,338.49
  5. Step 5: Solve for x
    x = 82,777,338.49/11,999.58
  6. Step 6: Final answer
    x = 6,898.36

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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.