Home / 16,942.98-23,381.64-9,869.85

Finding the Fourth Proportional to 16,942.98, 23,381.64 and 9,869.85

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Solution

The fourth proportional to 16,942.98, 23,381.64 and 9,869.85 is: 13,620.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,942.98 : 23,381.64 = 9,869.85 : x
  2. Step 2: Convert to fraction form
    16,942.98/23,381.64 = 9,869.85/x
  3. Step 3: Cross multiply
    16,942.98x = 23,381.64 × 9,869.85
  4. Step 4: Simplify right side
    16,942.98x = 230,773,279.55
  5. Step 5: Solve for x
    x = 230,773,279.55/16,942.98
  6. Step 6: Final answer
    x = 13,620.58

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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.