Home / 18,284.13-27,426.20-5,136.21

Finding the Fourth Proportional to 18,284.13, 27,426.20 and 5,136.21

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Solution

The fourth proportional to 18,284.13, 27,426.20 and 5,136.21 is: 7,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.13 : 27,426.20 = 5,136.21 : x
  2. Step 2: Convert to fraction form
    18,284.13/27,426.20 = 5,136.21/x
  3. Step 3: Cross multiply
    18,284.13x = 27,426.20 × 5,136.21
  4. Step 4: Simplify right side
    18,284.13x = 140,866,697.02
  5. Step 5: Solve for x
    x = 140,866,697.02/18,284.13
  6. Step 6: Final answer
    x = 7,704.32

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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.