Home / 13,827.35-20,741.16-3,439.10

Finding the Fourth Proportional to 13,827.35, 20,741.16 and 3,439.10

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Solution

The fourth proportional to 13,827.35, 20,741.16 and 3,439.10 is: 5,158.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.35 : 20,741.16 = 3,439.10 : x
  2. Step 2: Convert to fraction form
    13,827.35/20,741.16 = 3,439.10/x
  3. Step 3: Cross multiply
    13,827.35x = 20,741.16 × 3,439.10
  4. Step 4: Simplify right side
    13,827.35x = 71,330,819.65
  5. Step 5: Solve for x
    x = 71,330,819.65/13,827.35
  6. Step 6: Final answer
    x = 5,158.68

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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.