Home / 11,985.37-16,538.28-6,679.46

Finding the Fourth Proportional to 11,985.37, 16,538.28 and 6,679.46

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Solution

The fourth proportional to 11,985.37, 16,538.28 and 6,679.46 is: 9,216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.37 : 16,538.28 = 6,679.46 : x
  2. Step 2: Convert to fraction form
    11,985.37/16,538.28 = 6,679.46/x
  3. Step 3: Cross multiply
    11,985.37x = 16,538.28 × 6,679.46
  4. Step 4: Simplify right side
    11,985.37x = 110,466,796.03
  5. Step 5: Solve for x
    x = 110,466,796.03/11,985.37
  6. Step 6: Final answer
    x = 9,216.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.