Home / 12,127.11-16,735.23-6,821.93

Finding the Fourth Proportional to 12,127.11, 16,735.23 and 6,821.93

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Solution

The fourth proportional to 12,127.11, 16,735.23 and 6,821.93 is: 9,414.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127.11 : 16,735.23 = 6,821.93 : x
  2. Step 2: Convert to fraction form
    12,127.11/16,735.23 = 6,821.93/x
  3. Step 3: Cross multiply
    12,127.11x = 16,735.23 × 6,821.93
  4. Step 4: Simplify right side
    12,127.11x = 114,166,483.92
  5. Step 5: Solve for x
    x = 114,166,483.92/12,127.11
  6. Step 6: Final answer
    x = 9,414.15

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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.