Home / 20,106-27,746.22-12,146.73

Finding the Fourth Proportional to 20,106, 27,746.22 and 12,146.73

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Solution

The fourth proportional to 20,106, 27,746.22 and 12,146.73 is: 16,762.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,106 : 27,746.22 = 12,146.73 : x
  2. Step 2: Convert to fraction form
    20,106/27,746.22 = 12,146.73/x
  3. Step 3: Cross multiply
    20,106x = 27,746.22 × 12,146.73
  4. Step 4: Simplify right side
    20,106x = 337,025,842.86
  5. Step 5: Solve for x
    x = 337,025,842.86/20,106
  6. Step 6: Final answer
    x = 16,762.45

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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.