Home / 18,861.14-26,045.88-12,162.44

Finding the Fourth Proportional to 18,861.14, 26,045.88 and 12,162.44

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Solution

The fourth proportional to 18,861.14, 26,045.88 and 12,162.44 is: 16,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,861.14 : 26,045.88 = 12,162.44 : x
  2. Step 2: Convert to fraction form
    18,861.14/26,045.88 = 12,162.44/x
  3. Step 3: Cross multiply
    18,861.14x = 26,045.88 × 12,162.44
  4. Step 4: Simplify right side
    18,861.14x = 316,781,452.75
  5. Step 5: Solve for x
    x = 316,781,452.75/18,861.14
  6. Step 6: Final answer
    x = 16,795.46

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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.