Home / 18,656.92-27,962.70-8,784.64

Finding the Fourth Proportional to 18,656.92, 27,962.70 and 8,784.64

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Solution

The fourth proportional to 18,656.92, 27,962.70 and 8,784.64 is: 13,166.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656.92 : 27,962.70 = 8,784.64 : x
  2. Step 2: Convert to fraction form
    18,656.92/27,962.70 = 8,784.64/x
  3. Step 3: Cross multiply
    18,656.92x = 27,962.70 × 8,784.64
  4. Step 4: Simplify right side
    18,656.92x = 245,642,252.93
  5. Step 5: Solve for x
    x = 245,642,252.93/18,656.92
  6. Step 6: Final answer
    x = 13,166.28

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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.