Home / 18,127.69-27,194.31-9,808.89

Finding the Fourth Proportional to 18,127.69, 27,194.31 and 9,808.89

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Solution

The fourth proportional to 18,127.69, 27,194.31 and 9,808.89 is: 14,714.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.69 : 27,194.31 = 9,808.89 : x
  2. Step 2: Convert to fraction form
    18,127.69/27,194.31 = 9,808.89/x
  3. Step 3: Cross multiply
    18,127.69x = 27,194.31 × 9,808.89
  4. Step 4: Simplify right side
    18,127.69x = 266,745,995.42
  5. Step 5: Solve for x
    x = 266,745,995.42/18,127.69
  6. Step 6: Final answer
    x = 14,714.84

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1.5x scale

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.