Home / 14,837.19-20,475.34-8,122.86

Finding the Fourth Proportional to 14,837.19, 20,475.34 and 8,122.86

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Solution

The fourth proportional to 14,837.19, 20,475.34 and 8,122.86 is: 11,209.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,837.19 : 20,475.34 = 8,122.86 : x
  2. Step 2: Convert to fraction form
    14,837.19/20,475.34 = 8,122.86/x
  3. Step 3: Cross multiply
    14,837.19x = 20,475.34 × 8,122.86
  4. Step 4: Simplify right side
    14,837.19x = 166,318,299.97
  5. Step 5: Solve for x
    x = 166,318,299.97/14,837.19
  6. Step 6: Final answer
    x = 11,209.56

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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.