Home / 18,575.15-27,863.66-6,885.63

Finding the Fourth Proportional to 18,575.15, 27,863.66 and 6,885.63

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Solution

The fourth proportional to 18,575.15, 27,863.66 and 6,885.63 is: 10,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.15 : 27,863.66 = 6,885.63 : x
  2. Step 2: Convert to fraction form
    18,575.15/27,863.66 = 6,885.63/x
  3. Step 3: Cross multiply
    18,575.15x = 27,863.66 × 6,885.63
  4. Step 4: Simplify right side
    18,575.15x = 191,858,870.42
  5. Step 5: Solve for x
    x = 191,858,870.42/18,575.15
  6. Step 6: Final answer
    x = 10,328.80

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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.