Home / 20,216.36-30,337.23-8,529.55

Finding the Fourth Proportional to 20,216.36, 30,337.23 and 8,529.55

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Solution

The fourth proportional to 20,216.36, 30,337.23 and 8,529.55 is: 12,799.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216.36 : 30,337.23 = 8,529.55 : x
  2. Step 2: Convert to fraction form
    20,216.36/30,337.23 = 8,529.55/x
  3. Step 3: Cross multiply
    20,216.36x = 30,337.23 × 8,529.55
  4. Step 4: Simplify right side
    20,216.36x = 258,762,920.15
  5. Step 5: Solve for x
    x = 258,762,920.15/20,216.36
  6. Step 6: Final answer
    x = 12,799.68

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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.