Home / 13,898.12-19,182.39-8,861.18

Finding the Fourth Proportional to 13,898.12, 19,182.39 and 8,861.18

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Solution

The fourth proportional to 13,898.12, 19,182.39 and 8,861.18 is: 12,230.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.12 : 19,182.39 = 8,861.18 : x
  2. Step 2: Convert to fraction form
    13,898.12/19,182.39 = 8,861.18/x
  3. Step 3: Cross multiply
    13,898.12x = 19,182.39 × 8,861.18
  4. Step 4: Simplify right side
    13,898.12x = 169,978,658.58
  5. Step 5: Solve for x
    x = 169,978,658.58/13,898.12
  6. Step 6: Final answer
    x = 12,230.33

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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.