Home / 18,966.88-28,450.32-6,487.02

Finding the Fourth Proportional to 18,966.88, 28,450.32 and 6,487.02

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Solution

The fourth proportional to 18,966.88, 28,450.32 and 6,487.02 is: 9,730.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966.88 : 28,450.32 = 6,487.02 : x
  2. Step 2: Convert to fraction form
    18,966.88/28,450.32 = 6,487.02/x
  3. Step 3: Cross multiply
    18,966.88x = 28,450.32 × 6,487.02
  4. Step 4: Simplify right side
    18,966.88x = 184,557,807.01
  5. Step 5: Solve for x
    x = 184,557,807.01/18,966.88
  6. Step 6: Final answer
    x = 9,730.53

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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.