Home / 13,654.09-20,486.06-4,770.73

Finding the Fourth Proportional to 13,654.09, 20,486.06 and 4,770.73

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Solution

The fourth proportional to 13,654.09, 20,486.06 and 4,770.73 is: 7,157.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.09 : 20,486.06 = 4,770.73 : x
  2. Step 2: Convert to fraction form
    13,654.09/20,486.06 = 4,770.73/x
  3. Step 3: Cross multiply
    13,654.09x = 20,486.06 × 4,770.73
  4. Step 4: Simplify right side
    13,654.09x = 97,733,461.02
  5. Step 5: Solve for x
    x = 97,733,461.02/13,654.09
  6. Step 6: Final answer
    x = 7,157.82

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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.