Home / 18,644.60-25,717.82-12,271.52

Finding the Fourth Proportional to 18,644.60, 25,717.82 and 12,271.52

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Solution

The fourth proportional to 18,644.60, 25,717.82 and 12,271.52 is: 16,926.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,644.60 : 25,717.82 = 12,271.52 : x
  2. Step 2: Convert to fraction form
    18,644.60/25,717.82 = 12,271.52/x
  3. Step 3: Cross multiply
    18,644.60x = 25,717.82 × 12,271.52
  4. Step 4: Simplify right side
    18,644.60x = 315,596,742.49
  5. Step 5: Solve for x
    x = 315,596,742.49/18,644.60
  6. Step 6: Final answer
    x = 16,926.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.