Home / 18,066.09-27,071.04-12,530.25

Finding the Fourth Proportional to 18,066.09, 27,071.04 and 12,530.25

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Solution

The fourth proportional to 18,066.09, 27,071.04 and 12,530.25 is: 18,775.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,066.09 : 27,071.04 = 12,530.25 : x
  2. Step 2: Convert to fraction form
    18,066.09/27,071.04 = 12,530.25/x
  3. Step 3: Cross multiply
    18,066.09x = 27,071.04 × 12,530.25
  4. Step 4: Simplify right side
    18,066.09x = 339,206,898.96
  5. Step 5: Solve for x
    x = 339,206,898.96/18,066.09
  6. Step 6: Final answer
    x = 18,775.89

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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.