Home / 14,835.41-20,472.21-8,121.32

Finding the Fourth Proportional to 14,835.41, 20,472.21 and 8,121.32

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Solution

The fourth proportional to 14,835.41, 20,472.21 and 8,121.32 is: 11,207.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,835.41 : 20,472.21 = 8,121.32 : x
  2. Step 2: Convert to fraction form
    14,835.41/20,472.21 = 8,121.32/x
  3. Step 3: Cross multiply
    14,835.41x = 20,472.21 × 8,121.32
  4. Step 4: Simplify right side
    14,835.41x = 166,261,327.91
  5. Step 5: Solve for x
    x = 166,261,327.91/14,835.41
  6. Step 6: Final answer
    x = 11,207.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.