Home / 13,746.42-20,617.04-3,885.62

Finding the Fourth Proportional to 13,746.42, 20,617.04 and 3,885.62

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Solution

The fourth proportional to 13,746.42, 20,617.04 and 3,885.62 is: 5,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.42 : 20,617.04 = 3,885.62 : x
  2. Step 2: Convert to fraction form
    13,746.42/20,617.04 = 3,885.62/x
  3. Step 3: Cross multiply
    13,746.42x = 20,617.04 × 3,885.62
  4. Step 4: Simplify right side
    13,746.42x = 80,109,982.96
  5. Step 5: Solve for x
    x = 80,109,982.96/13,746.42
  6. Step 6: Final answer
    x = 5,827.70

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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.