Home / 12,236.40-16,892.01-9,212.67

Finding the Fourth Proportional to 12,236.40, 16,892.01 and 9,212.67

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Solution

The fourth proportional to 12,236.40, 16,892.01 and 9,212.67 is: 12,717.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.40 : 16,892.01 = 9,212.67 : x
  2. Step 2: Convert to fraction form
    12,236.40/16,892.01 = 9,212.67/x
  3. Step 3: Cross multiply
    12,236.40x = 16,892.01 × 9,212.67
  4. Step 4: Simplify right side
    12,236.40x = 155,620,513.77
  5. Step 5: Solve for x
    x = 155,620,513.77/12,236.40
  6. Step 6: Final answer
    x = 12,717.83

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1.5x scale

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.