Home / 14,206.07-19,601.80-8,236.91

Finding the Fourth Proportional to 14,206.07, 19,601.80 and 8,236.91

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Solution

The fourth proportional to 14,206.07, 19,601.80 and 8,236.91 is: 11,365.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206.07 : 19,601.80 = 8,236.91 : x
  2. Step 2: Convert to fraction form
    14,206.07/19,601.80 = 8,236.91/x
  3. Step 3: Cross multiply
    14,206.07x = 19,601.80 × 8,236.91
  4. Step 4: Simplify right side
    14,206.07x = 161,458,290.85
  5. Step 5: Solve for x
    x = 161,458,290.85/14,206.07
  6. Step 6: Final answer
    x = 11,365.44

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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.