Home / 13,812.12-20,723.04-6,019.92

Finding the Fourth Proportional to 13,812.12, 20,723.04 and 6,019.92

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Solution

The fourth proportional to 13,812.12, 20,723.04 and 6,019.92 is: 9,032.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812.12 : 20,723.04 = 6,019.92 : x
  2. Step 2: Convert to fraction form
    13,812.12/20,723.04 = 6,019.92/x
  3. Step 3: Cross multiply
    13,812.12x = 20,723.04 × 6,019.92
  4. Step 4: Simplify right side
    13,812.12x = 124,751,042.96
  5. Step 5: Solve for x
    x = 124,751,042.96/13,812.12
  6. Step 6: Final answer
    x = 9,032.00

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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.