Home / 18,985.32-28,477.82-6,336.04

Finding the Fourth Proportional to 18,985.32, 28,477.82 and 6,336.04

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Solution

The fourth proportional to 18,985.32, 28,477.82 and 6,336.04 is: 9,504.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,985.32 : 28,477.82 = 6,336.04 : x
  2. Step 2: Convert to fraction form
    18,985.32/28,477.82 = 6,336.04/x
  3. Step 3: Cross multiply
    18,985.32x = 28,477.82 × 6,336.04
  4. Step 4: Simplify right side
    18,985.32x = 180,436,439.98
  5. Step 5: Solve for x
    x = 180,436,439.98/18,985.32
  6. Step 6: Final answer
    x = 9,504.00

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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.