Home / 20,284.16-30,426.30-5,493.15

Finding the Fourth Proportional to 20,284.16, 30,426.30 and 5,493.15

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Solution

The fourth proportional to 20,284.16, 30,426.30 and 5,493.15 is: 8,239.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.16 : 30,426.30 = 5,493.15 : x
  2. Step 2: Convert to fraction form
    20,284.16/30,426.30 = 5,493.15/x
  3. Step 3: Cross multiply
    20,284.16x = 30,426.30 × 5,493.15
  4. Step 4: Simplify right side
    20,284.16x = 167,136,229.85
  5. Step 5: Solve for x
    x = 167,136,229.85/20,284.16
  6. Step 6: Final answer
    x = 8,239.74

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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.