Home / 13,474.24-18,593.22-9,939.40

Finding the Fourth Proportional to 13,474.24, 18,593.22 and 9,939.40

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Solution

The fourth proportional to 13,474.24, 18,593.22 and 9,939.40 is: 13,715.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.24 : 18,593.22 = 9,939.40 : x
  2. Step 2: Convert to fraction form
    13,474.24/18,593.22 = 9,939.40/x
  3. Step 3: Cross multiply
    13,474.24x = 18,593.22 × 9,939.40
  4. Step 4: Simplify right side
    13,474.24x = 184,805,450.87
  5. Step 5: Solve for x
    x = 184,805,450.87/13,474.24
  6. Step 6: Final answer
    x = 13,715.46

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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.