Home / 18,451.84-27,676.98-8,587.72

Finding the Fourth Proportional to 18,451.84, 27,676.98 and 8,587.72

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Solution

The fourth proportional to 18,451.84, 27,676.98 and 8,587.72 is: 12,881.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.84 : 27,676.98 = 8,587.72 : x
  2. Step 2: Convert to fraction form
    18,451.84/27,676.98 = 8,587.72/x
  3. Step 3: Cross multiply
    18,451.84x = 27,676.98 × 8,587.72
  4. Step 4: Simplify right side
    18,451.84x = 237,682,154.69
  5. Step 5: Solve for x
    x = 237,682,154.69/18,451.84
  6. Step 6: Final answer
    x = 12,881.22

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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.