Home / 18,905.67-26,061.85-12,098.94

Finding the Fourth Proportional to 18,905.67, 26,061.85 and 12,098.94

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Solution

The fourth proportional to 18,905.67, 26,061.85 and 12,098.94 is: 16,678.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,905.67 : 26,061.85 = 12,098.94 : x
  2. Step 2: Convert to fraction form
    18,905.67/26,061.85 = 12,098.94/x
  3. Step 3: Cross multiply
    18,905.67x = 26,061.85 × 12,098.94
  4. Step 4: Simplify right side
    18,905.67x = 315,320,676.83
  5. Step 5: Solve for x
    x = 315,320,676.83/18,905.67
  6. Step 6: Final answer
    x = 16,678.63

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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.