Home / 18,898.36-26,074.33-12,187.84

Finding the Fourth Proportional to 18,898.36, 26,074.33 and 12,187.84

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Solution

The fourth proportional to 18,898.36, 26,074.33 and 12,187.84 is: 16,815.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898.36 : 26,074.33 = 12,187.84 : x
  2. Step 2: Convert to fraction form
    18,898.36/26,074.33 = 12,187.84/x
  3. Step 3: Cross multiply
    18,898.36x = 26,074.33 × 12,187.84
  4. Step 4: Simplify right side
    18,898.36x = 317,789,762.15
  5. Step 5: Solve for x
    x = 317,789,762.15/18,898.36
  6. Step 6: Final answer
    x = 16,815.73

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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.