Home / 12,639.51-18,933.89-6,295.27

Finding the Fourth Proportional to 12,639.51, 18,933.89 and 6,295.27

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Solution

The fourth proportional to 12,639.51, 18,933.89 and 6,295.27 is: 9,430.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,639.51 : 18,933.89 = 6,295.27 : x
  2. Step 2: Convert to fraction form
    12,639.51/18,933.89 = 6,295.27/x
  3. Step 3: Cross multiply
    12,639.51x = 18,933.89 × 6,295.27
  4. Step 4: Simplify right side
    12,639.51x = 119,193,965.44
  5. Step 5: Solve for x
    x = 119,193,965.44/12,639.51
  6. Step 6: Final answer
    x = 9,430.27

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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.