Home / 13,936.64-19,232-8,350.72

Finding the Fourth Proportional to 13,936.64, 19,232 and 8,350.72

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Solution

The fourth proportional to 13,936.64, 19,232 and 8,350.72 is: 11,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.64 : 19,232 = 8,350.72 : x
  2. Step 2: Convert to fraction form
    13,936.64/19,232 = 8,350.72/x
  3. Step 3: Cross multiply
    13,936.64x = 19,232 × 8,350.72
  4. Step 4: Simplify right side
    13,936.64x = 160,601,047.04
  5. Step 5: Solve for x
    x = 160,601,047.04/13,936.64
  6. Step 6: Final answer
    x = 11,523.66

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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.