Home / 13,971.94-20,956.95-5,202.82

Finding the Fourth Proportional to 13,971.94, 20,956.95 and 5,202.82

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Solution

The fourth proportional to 13,971.94, 20,956.95 and 5,202.82 is: 7,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.94 : 20,956.95 = 5,202.82 : x
  2. Step 2: Convert to fraction form
    13,971.94/20,956.95 = 5,202.82/x
  3. Step 3: Cross multiply
    13,971.94x = 20,956.95 × 5,202.82
  4. Step 4: Simplify right side
    13,971.94x = 109,035,238.60
  5. Step 5: Solve for x
    x = 109,035,238.60/13,971.94
  6. Step 6: Final answer
    x = 7,803.87

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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.