Home / 12,632.60-18,948.90-6,791.96

Finding the Fourth Proportional to 12,632.60, 18,948.90 and 6,791.96

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Solution

The fourth proportional to 12,632.60, 18,948.90 and 6,791.96 is: 10,187.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632.60 : 18,948.90 = 6,791.96 : x
  2. Step 2: Convert to fraction form
    12,632.60/18,948.90 = 6,791.96/x
  3. Step 3: Cross multiply
    12,632.60x = 18,948.90 × 6,791.96
  4. Step 4: Simplify right side
    12,632.60x = 128,700,170.84
  5. Step 5: Solve for x
    x = 128,700,170.84/12,632.60
  6. Step 6: Final answer
    x = 10,187.94

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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.