Home / 12,402.35-18,588.94-4,996.92

Finding the Fourth Proportional to 12,402.35, 18,588.94 and 4,996.92

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Solution

The fourth proportional to 12,402.35, 18,588.94 and 4,996.92 is: 7,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402.35 : 18,588.94 = 4,996.92 : x
  2. Step 2: Convert to fraction form
    12,402.35/18,588.94 = 4,996.92/x
  3. Step 3: Cross multiply
    12,402.35x = 18,588.94 × 4,996.92
  4. Step 4: Simplify right side
    12,402.35x = 92,887,446.06
  5. Step 5: Solve for x
    x = 92,887,446.06/12,402.35
  6. Step 6: Final answer
    x = 7,489.50

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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.