Home / 14,052.34-19,390.26-8,081.74

Finding the Fourth Proportional to 14,052.34, 19,390.26 and 8,081.74

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Solution

The fourth proportional to 14,052.34, 19,390.26 and 8,081.74 is: 11,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.34 : 19,390.26 = 8,081.74 : x
  2. Step 2: Convert to fraction form
    14,052.34/19,390.26 = 8,081.74/x
  3. Step 3: Cross multiply
    14,052.34x = 19,390.26 × 8,081.74
  4. Step 4: Simplify right side
    14,052.34x = 156,707,039.85
  5. Step 5: Solve for x
    x = 156,707,039.85/14,052.34
  6. Step 6: Final answer
    x = 11,151.67

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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.