Home / 13,337.73-18,406.23-7,369.34

Finding the Fourth Proportional to 13,337.73, 18,406.23 and 7,369.34

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Solution

The fourth proportional to 13,337.73, 18,406.23 and 7,369.34 is: 10,169.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.73 : 18,406.23 = 7,369.34 : x
  2. Step 2: Convert to fraction form
    13,337.73/18,406.23 = 7,369.34/x
  3. Step 3: Cross multiply
    13,337.73x = 18,406.23 × 7,369.34
  4. Step 4: Simplify right side
    13,337.73x = 135,641,813.00
  5. Step 5: Solve for x
    x = 135,641,813.00/13,337.73
  6. Step 6: Final answer
    x = 10,169.78

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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.