Home / 12,639.44-18,946.46-7,095.26

Finding the Fourth Proportional to 12,639.44, 18,946.46 and 7,095.26

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Solution

The fourth proportional to 12,639.44, 18,946.46 and 7,095.26 is: 10,635.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,639.44 : 18,946.46 = 7,095.26 : x
  2. Step 2: Convert to fraction form
    12,639.44/18,946.46 = 7,095.26/x
  3. Step 3: Cross multiply
    12,639.44x = 18,946.46 × 7,095.26
  4. Step 4: Simplify right side
    12,639.44x = 134,430,059.78
  5. Step 5: Solve for x
    x = 134,430,059.78/12,639.44
  6. Step 6: Final answer
    x = 10,635.76

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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.