Home / 12,927.73-19,385.45-5,905.67

Finding the Fourth Proportional to 12,927.73, 19,385.45 and 5,905.67

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Solution

The fourth proportional to 12,927.73, 19,385.45 and 5,905.67 is: 8,855.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.73 : 19,385.45 = 5,905.67 : x
  2. Step 2: Convert to fraction form
    12,927.73/19,385.45 = 5,905.67/x
  3. Step 3: Cross multiply
    12,927.73x = 19,385.45 × 5,905.67
  4. Step 4: Simplify right side
    12,927.73x = 114,484,039.08
  5. Step 5: Solve for x
    x = 114,484,039.08/12,927.73
  6. Step 6: Final answer
    x = 8,855.69

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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.