Home / 18,087.35-27,109.13-9,317.48

Finding the Fourth Proportional to 18,087.35, 27,109.13 and 9,317.48

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Solution

The fourth proportional to 18,087.35, 27,109.13 and 9,317.48 is: 13,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.35 : 27,109.13 = 9,317.48 : x
  2. Step 2: Convert to fraction form
    18,087.35/27,109.13 = 9,317.48/x
  3. Step 3: Cross multiply
    18,087.35x = 27,109.13 × 9,317.48
  4. Step 4: Simplify right side
    18,087.35x = 252,588,594.46
  5. Step 5: Solve for x
    x = 252,588,594.46/18,087.35
  6. Step 6: Final answer
    x = 13,964.93

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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.