Home / 18,095.68-27,134.61-8,605.36

Finding the Fourth Proportional to 18,095.68, 27,134.61 and 8,605.36

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Solution

The fourth proportional to 18,095.68, 27,134.61 and 8,605.36 is: 12,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,095.68 : 27,134.61 = 8,605.36 : x
  2. Step 2: Convert to fraction form
    18,095.68/27,134.61 = 8,605.36/x
  3. Step 3: Cross multiply
    18,095.68x = 27,134.61 × 8,605.36
  4. Step 4: Simplify right side
    18,095.68x = 233,503,087.51
  5. Step 5: Solve for x
    x = 233,503,087.51/18,095.68
  6. Step 6: Final answer
    x = 12,903.80

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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.