Home / 13,998.24-20,993.76-6,971.04

Finding the Fourth Proportional to 13,998.24, 20,993.76 and 6,971.04

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Solution

The fourth proportional to 13,998.24, 20,993.76 and 6,971.04 is: 10,454.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.24 : 20,993.76 = 6,971.04 : x
  2. Step 2: Convert to fraction form
    13,998.24/20,993.76 = 6,971.04/x
  3. Step 3: Cross multiply
    13,998.24x = 20,993.76 × 6,971.04
  4. Step 4: Simplify right side
    13,998.24x = 146,348,340.71
  5. Step 5: Solve for x
    x = 146,348,340.71/13,998.24
  6. Step 6: Final answer
    x = 10,454.77

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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.