Home / 14,231.58-21,358.26-6,445.86

Finding the Fourth Proportional to 14,231.58, 21,358.26 and 6,445.86

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Solution

The fourth proportional to 14,231.58, 21,358.26 and 6,445.86 is: 9,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.58 : 21,358.26 = 6,445.86 : x
  2. Step 2: Convert to fraction form
    14,231.58/21,358.26 = 6,445.86/x
  3. Step 3: Cross multiply
    14,231.58x = 21,358.26 × 6,445.86
  4. Step 4: Simplify right side
    14,231.58x = 137,672,353.80
  5. Step 5: Solve for x
    x = 137,672,353.80/14,231.58
  6. Step 6: Final answer
    x = 9,673.72

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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.