Home / 13,847.04-19,110.32-7,879.92

Finding the Fourth Proportional to 13,847.04, 19,110.32 and 7,879.92

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Solution

The fourth proportional to 13,847.04, 19,110.32 and 7,879.92 is: 10,875.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.04 : 19,110.32 = 7,879.92 : x
  2. Step 2: Convert to fraction form
    13,847.04/19,110.32 = 7,879.92/x
  3. Step 3: Cross multiply
    13,847.04x = 19,110.32 × 7,879.92
  4. Step 4: Simplify right side
    13,847.04x = 150,587,792.77
  5. Step 5: Solve for x
    x = 150,587,792.77/13,847.04
  6. Step 6: Final answer
    x = 10,875.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.