Home / 13,381.64-20,061.52-5,056.94

Finding the Fourth Proportional to 13,381.64, 20,061.52 and 5,056.94

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Solution

The fourth proportional to 13,381.64, 20,061.52 and 5,056.94 is: 7,581.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381.64 : 20,061.52 = 5,056.94 : x
  2. Step 2: Convert to fraction form
    13,381.64/20,061.52 = 5,056.94/x
  3. Step 3: Cross multiply
    13,381.64x = 20,061.52 × 5,056.94
  4. Step 4: Simplify right side
    13,381.64x = 101,449,902.95
  5. Step 5: Solve for x
    x = 101,449,902.95/13,381.64
  6. Step 6: Final answer
    x = 7,581.28

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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.