Home / 12,476.70-18,717.39-4,155.93

Finding the Fourth Proportional to 12,476.70, 18,717.39 and 4,155.93

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Solution

The fourth proportional to 12,476.70, 18,717.39 and 4,155.93 is: 6,234.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.70 : 18,717.39 = 4,155.93 : x
  2. Step 2: Convert to fraction form
    12,476.70/18,717.39 = 4,155.93/x
  3. Step 3: Cross multiply
    12,476.70x = 18,717.39 × 4,155.93
  4. Step 4: Simplify right side
    12,476.70x = 77,788,162.62
  5. Step 5: Solve for x
    x = 77,788,162.62/12,476.70
  6. Step 6: Final answer
    x = 6,234.67

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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.