Home / 9,103.60-13,654.86-3,180.06

Finding the Fourth Proportional to 9,103.60, 13,654.86 and 3,180.06

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Solution

The fourth proportional to 9,103.60, 13,654.86 and 3,180.06 is: 4,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.60 : 13,654.86 = 3,180.06 : x
  2. Step 2: Convert to fraction form
    9,103.60/13,654.86 = 3,180.06/x
  3. Step 3: Cross multiply
    9,103.60x = 13,654.86 × 3,180.06
  4. Step 4: Simplify right side
    9,103.60x = 43,423,274.09
  5. Step 5: Solve for x
    x = 43,423,274.09/9,103.60
  6. Step 6: Final answer
    x = 4,769.90

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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.