Home / 13,827.32-20,741.07-3,439.07

Finding the Fourth Proportional to 13,827.32, 20,741.07 and 3,439.07

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Solution

The fourth proportional to 13,827.32, 20,741.07 and 3,439.07 is: 5,158.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.32 : 20,741.07 = 3,439.07 : x
  2. Step 2: Convert to fraction form
    13,827.32/20,741.07 = 3,439.07/x
  3. Step 3: Cross multiply
    13,827.32x = 20,741.07 × 3,439.07
  4. Step 4: Simplify right side
    13,827.32x = 71,329,991.60
  5. Step 5: Solve for x
    x = 71,329,991.60/13,827.32
  6. Step 6: Final answer
    x = 5,158.63

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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.