Home / 11,985.44-16,537.38-7,271.24

Finding the Fourth Proportional to 11,985.44, 16,537.38 and 7,271.24

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Solution

The fourth proportional to 11,985.44, 16,537.38 and 7,271.24 is: 10,032.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.44 : 16,537.38 = 7,271.24 : x
  2. Step 2: Convert to fraction form
    11,985.44/16,537.38 = 7,271.24/x
  3. Step 3: Cross multiply
    11,985.44x = 16,537.38 × 7,271.24
  4. Step 4: Simplify right side
    11,985.44x = 120,247,258.95
  5. Step 5: Solve for x
    x = 120,247,258.95/11,985.44
  6. Step 6: Final answer
    x = 10,032.78

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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.