Home / 14,610.47-20,161.28-8,942.85

Finding the Fourth Proportional to 14,610.47, 20,161.28 and 8,942.85

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Solution

The fourth proportional to 14,610.47, 20,161.28 and 8,942.85 is: 12,340.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.47 : 20,161.28 = 8,942.85 : x
  2. Step 2: Convert to fraction form
    14,610.47/20,161.28 = 8,942.85/x
  3. Step 3: Cross multiply
    14,610.47x = 20,161.28 × 8,942.85
  4. Step 4: Simplify right side
    14,610.47x = 180,299,325.21
  5. Step 5: Solve for x
    x = 180,299,325.21/14,610.47
  6. Step 6: Final answer
    x = 12,340.42

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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.