Home / 11,188.47-16,849.30-9,745.05

Finding the Fourth Proportional to 11,188.47, 16,849.30 and 9,745.05

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Solution

The fourth proportional to 11,188.47, 16,849.30 and 9,745.05 is: 14,675.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.47 : 16,849.30 = 9,745.05 : x
  2. Step 2: Convert to fraction form
    11,188.47/16,849.30 = 9,745.05/x
  3. Step 3: Cross multiply
    11,188.47x = 16,849.30 × 9,745.05
  4. Step 4: Simplify right side
    11,188.47x = 164,197,270.97
  5. Step 5: Solve for x
    x = 164,197,270.97/11,188.47
  6. Step 6: Final answer
    x = 14,675.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.