Home / 18,089.61-27,131.70-6,994.92

Finding the Fourth Proportional to 18,089.61, 27,131.70 and 6,994.92

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Solution

The fourth proportional to 18,089.61, 27,131.70 and 6,994.92 is: 10,491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.61 : 27,131.70 = 6,994.92 : x
  2. Step 2: Convert to fraction form
    18,089.61/27,131.70 = 6,994.92/x
  3. Step 3: Cross multiply
    18,089.61x = 27,131.70 × 6,994.92
  4. Step 4: Simplify right side
    18,089.61x = 189,784,070.96
  5. Step 5: Solve for x
    x = 189,784,070.96/18,089.61
  6. Step 6: Final answer
    x = 10,491.33

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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.