Home / 11,988.54-16,543.24-6,610.68

Finding the Fourth Proportional to 11,988.54, 16,543.24 and 6,610.68

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Solution

The fourth proportional to 11,988.54, 16,543.24 and 6,610.68 is: 9,122.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.54 : 16,543.24 = 6,610.68 : x
  2. Step 2: Convert to fraction form
    11,988.54/16,543.24 = 6,610.68/x
  3. Step 3: Cross multiply
    11,988.54x = 16,543.24 × 6,610.68
  4. Step 4: Simplify right side
    11,988.54x = 109,362,049.28
  5. Step 5: Solve for x
    x = 109,362,049.28/11,988.54
  6. Step 6: Final answer
    x = 9,122.22

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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.