Home / 13,301.28-19,954.35-5,505.84

Finding the Fourth Proportional to 13,301.28, 19,954.35 and 5,505.84

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Solution

The fourth proportional to 13,301.28, 19,954.35 and 5,505.84 is: 8,259.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.28 : 19,954.35 = 5,505.84 : x
  2. Step 2: Convert to fraction form
    13,301.28/19,954.35 = 5,505.84/x
  3. Step 3: Cross multiply
    13,301.28x = 19,954.35 × 5,505.84
  4. Step 4: Simplify right side
    13,301.28x = 109,865,458.40
  5. Step 5: Solve for x
    x = 109,865,458.40/13,301.28
  6. Step 6: Final answer
    x = 8,259.77

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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.