Home / 18,085.98-27,133.12-6,992.76

Finding the Fourth Proportional to 18,085.98, 27,133.12 and 6,992.76

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Solution

The fourth proportional to 18,085.98, 27,133.12 and 6,992.76 is: 10,490.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.98 : 27,133.12 = 6,992.76 : x
  2. Step 2: Convert to fraction form
    18,085.98/27,133.12 = 6,992.76/x
  3. Step 3: Cross multiply
    18,085.98x = 27,133.12 × 6,992.76
  4. Step 4: Simplify right side
    18,085.98x = 189,735,396.21
  5. Step 5: Solve for x
    x = 189,735,396.21/18,085.98
  6. Step 6: Final answer
    x = 10,490.74

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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.