Home / 14,495.40-20,003.76-8,207.64

Finding the Fourth Proportional to 14,495.40, 20,003.76 and 8,207.64

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Solution

The fourth proportional to 14,495.40, 20,003.76 and 8,207.64 is: 11,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.40 : 20,003.76 = 8,207.64 : x
  2. Step 2: Convert to fraction form
    14,495.40/20,003.76 = 8,207.64/x
  3. Step 3: Cross multiply
    14,495.40x = 20,003.76 × 8,207.64
  4. Step 4: Simplify right side
    14,495.40x = 164,183,660.73
  5. Step 5: Solve for x
    x = 164,183,660.73/14,495.40
  6. Step 6: Final answer
    x = 11,326.60

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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.