Home / 18,688.98-28,033.29-6,209.92

Finding the Fourth Proportional to 18,688.98, 28,033.29 and 6,209.92

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Solution

The fourth proportional to 18,688.98, 28,033.29 and 6,209.92 is: 9,314.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,688.98 : 28,033.29 = 6,209.92 : x
  2. Step 2: Convert to fraction form
    18,688.98/28,033.29 = 6,209.92/x
  3. Step 3: Cross multiply
    18,688.98x = 28,033.29 × 6,209.92
  4. Step 4: Simplify right side
    18,688.98x = 174,084,365.59
  5. Step 5: Solve for x
    x = 174,084,365.59/18,688.98
  6. Step 6: Final answer
    x = 9,314.81

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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.