Home / 11,985.06-17,965.35-4,187.46

Finding the Fourth Proportional to 11,985.06, 17,965.35 and 4,187.46

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Solution

The fourth proportional to 11,985.06, 17,965.35 and 4,187.46 is: 6,276.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.06 : 17,965.35 = 4,187.46 : x
  2. Step 2: Convert to fraction form
    11,985.06/17,965.35 = 4,187.46/x
  3. Step 3: Cross multiply
    11,985.06x = 17,965.35 × 4,187.46
  4. Step 4: Simplify right side
    11,985.06x = 75,229,184.51
  5. Step 5: Solve for x
    x = 75,229,184.51/11,985.06
  6. Step 6: Final answer
    x = 6,276.91

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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.