Home / 13,236.89-19,834.20-9,294.75

Finding the Fourth Proportional to 13,236.89, 19,834.20 and 9,294.75

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Solution

The fourth proportional to 13,236.89, 19,834.20 and 9,294.75 is: 13,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.89 : 19,834.20 = 9,294.75 : x
  2. Step 2: Convert to fraction form
    13,236.89/19,834.20 = 9,294.75/x
  3. Step 3: Cross multiply
    13,236.89x = 19,834.20 × 9,294.75
  4. Step 4: Simplify right side
    13,236.89x = 184,353,930.45
  5. Step 5: Solve for x
    x = 184,353,930.45/13,236.89
  6. Step 6: Final answer
    x = 13,927.29

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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.