Home / 12,837.78-19,243.70-5,346.86

Finding the Fourth Proportional to 12,837.78, 19,243.70 and 5,346.86

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Solution

The fourth proportional to 12,837.78, 19,243.70 and 5,346.86 is: 8,014.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.78 : 19,243.70 = 5,346.86 : x
  2. Step 2: Convert to fraction form
    12,837.78/19,243.70 = 5,346.86/x
  3. Step 3: Cross multiply
    12,837.78x = 19,243.70 × 5,346.86
  4. Step 4: Simplify right side
    12,837.78x = 102,893,246.83
  5. Step 5: Solve for x
    x = 102,893,246.83/12,837.78
  6. Step 6: Final answer
    x = 8,014.88

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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.