Home / 12,845.00-17,658.10-11,045.85

Finding the Fourth Proportional to 12,845.00, 17,658.10 and 11,045.85

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Solution

The fourth proportional to 12,845.00, 17,658.10 and 11,045.85 is: 15,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.00 : 17,658.10 = 11,045.85 : x
  2. Step 2: Convert to fraction form
    12,845.00/17,658.10 = 11,045.85/x
  3. Step 3: Cross multiply
    12,845.00x = 17,658.10 × 11,045.85
  4. Step 4: Simplify right side
    12,845.00x = 195,048,696.27
  5. Step 5: Solve for x
    x = 195,048,696.27/12,845.00
  6. Step 6: Final answer
    x = 15,184.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.