Home / 13,904.58-20,847.61-7,224.66

Finding the Fourth Proportional to 13,904.58, 20,847.61 and 7,224.66

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Solution

The fourth proportional to 13,904.58, 20,847.61 and 7,224.66 is: 10,832.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.58 : 20,847.61 = 7,224.66 : x
  2. Step 2: Convert to fraction form
    13,904.58/20,847.61 = 7,224.66/x
  3. Step 3: Cross multiply
    13,904.58x = 20,847.61 × 7,224.66
  4. Step 4: Simplify right side
    13,904.58x = 150,616,921.09
  5. Step 5: Solve for x
    x = 150,616,921.09/13,904.58
  6. Step 6: Final answer
    x = 10,832.18

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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.