Home / 12,768.38-19,170.50-6,532.86

Finding the Fourth Proportional to 12,768.38, 19,170.50 and 6,532.86

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Solution

The fourth proportional to 12,768.38, 19,170.50 and 6,532.86 is: 9,808.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768.38 : 19,170.50 = 6,532.86 : x
  2. Step 2: Convert to fraction form
    12,768.38/19,170.50 = 6,532.86/x
  3. Step 3: Cross multiply
    12,768.38x = 19,170.50 × 6,532.86
  4. Step 4: Simplify right side
    12,768.38x = 125,238,192.63
  5. Step 5: Solve for x
    x = 125,238,192.63/12,768.38
  6. Step 6: Final answer
    x = 9,808.47

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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.