Home / 20,244.32-30,372.36-8,395.92

Finding the Fourth Proportional to 20,244.32, 30,372.36 and 8,395.92

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Solution

The fourth proportional to 20,244.32, 30,372.36 and 8,395.92 is: 12,596.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.32 : 30,372.36 = 8,395.92 : x
  2. Step 2: Convert to fraction form
    20,244.32/30,372.36 = 8,395.92/x
  3. Step 3: Cross multiply
    20,244.32x = 30,372.36 × 8,395.92
  4. Step 4: Simplify right side
    20,244.32x = 255,003,904.77
  5. Step 5: Solve for x
    x = 255,003,904.77/20,244.32
  6. Step 6: Final answer
    x = 12,596.32

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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.