Home / 12,893.76-19,343.38-4,008.86

Finding the Fourth Proportional to 12,893.76, 19,343.38 and 4,008.86

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Solution

The fourth proportional to 12,893.76, 19,343.38 and 4,008.86 is: 6,014.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,893.76 : 19,343.38 = 4,008.86 : x
  2. Step 2: Convert to fraction form
    12,893.76/19,343.38 = 4,008.86/x
  3. Step 3: Cross multiply
    12,893.76x = 19,343.38 × 4,008.86
  4. Step 4: Simplify right side
    12,893.76x = 77,544,902.35
  5. Step 5: Solve for x
    x = 77,544,902.35/12,893.76
  6. Step 6: Final answer
    x = 6,014.14

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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.