Home / 18,709.86-28,064.82-5,562.36

Finding the Fourth Proportional to 18,709.86, 28,064.82 and 5,562.36

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Solution

The fourth proportional to 18,709.86, 28,064.82 and 5,562.36 is: 8,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709.86 : 28,064.82 = 5,562.36 : x
  2. Step 2: Convert to fraction form
    18,709.86/28,064.82 = 5,562.36/x
  3. Step 3: Cross multiply
    18,709.86x = 28,064.82 × 5,562.36
  4. Step 4: Simplify right side
    18,709.86x = 156,106,632.18
  5. Step 5: Solve for x
    x = 156,106,632.18/18,709.86
  6. Step 6: Final answer
    x = 8,343.55

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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.