Home / 19,146.32-28,698.22-8,049.74

Finding the Fourth Proportional to 19,146.32, 28,698.22 and 8,049.74

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Solution

The fourth proportional to 19,146.32, 28,698.22 and 8,049.74 is: 12,065.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.32 : 28,698.22 = 8,049.74 : x
  2. Step 2: Convert to fraction form
    19,146.32/28,698.22 = 8,049.74/x
  3. Step 3: Cross multiply
    19,146.32x = 28,698.22 × 8,049.74
  4. Step 4: Simplify right side
    19,146.32x = 231,013,209.46
  5. Step 5: Solve for x
    x = 231,013,209.46/19,146.32
  6. Step 6: Final answer
    x = 12,065.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.