Home / 12,905.44-19,355.72-5,007.94

Finding the Fourth Proportional to 12,905.44, 19,355.72 and 5,007.94

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Solution

The fourth proportional to 12,905.44, 19,355.72 and 5,007.94 is: 7,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905.44 : 19,355.72 = 5,007.94 : x
  2. Step 2: Convert to fraction form
    12,905.44/19,355.72 = 5,007.94/x
  3. Step 3: Cross multiply
    12,905.44x = 19,355.72 × 5,007.94
  4. Step 4: Simplify right side
    12,905.44x = 96,932,284.42
  5. Step 5: Solve for x
    x = 96,932,284.42/12,905.44
  6. Step 6: Final answer
    x = 7,510.96

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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.