Home / 19,767.15-29,651.81-6,618.33

Finding the Fourth Proportional to 19,767.15, 29,651.81 and 6,618.33

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Solution

The fourth proportional to 19,767.15, 29,651.81 and 6,618.33 is: 9,927.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.15 : 29,651.81 = 6,618.33 : x
  2. Step 2: Convert to fraction form
    19,767.15/29,651.81 = 6,618.33/x
  3. Step 3: Cross multiply
    19,767.15x = 29,651.81 × 6,618.33
  4. Step 4: Simplify right side
    19,767.15x = 196,245,430.59
  5. Step 5: Solve for x
    x = 196,245,430.59/19,767.15
  6. Step 6: Final answer
    x = 9,927.86

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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.