Home / 13,543.14-20,315.13-3,682.62

Finding the Fourth Proportional to 13,543.14, 20,315.13 and 3,682.62

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Solution

The fourth proportional to 13,543.14, 20,315.13 and 3,682.62 is: 5,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,543.14 : 20,315.13 = 3,682.62 : x
  2. Step 2: Convert to fraction form
    13,543.14/20,315.13 = 3,682.62/x
  3. Step 3: Cross multiply
    13,543.14x = 20,315.13 × 3,682.62
  4. Step 4: Simplify right side
    13,543.14x = 74,812,904.04
  5. Step 5: Solve for x
    x = 74,812,904.04/13,543.14
  6. Step 6: Final answer
    x = 5,524.04

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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.