Home / 13,848.94-20,785.20-5,534.79

Finding the Fourth Proportional to 13,848.94, 20,785.20 and 5,534.79

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Solution

The fourth proportional to 13,848.94, 20,785.20 and 5,534.79 is: 8,306.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.94 : 20,785.20 = 5,534.79 : x
  2. Step 2: Convert to fraction form
    13,848.94/20,785.20 = 5,534.79/x
  3. Step 3: Cross multiply
    13,848.94x = 20,785.20 × 5,534.79
  4. Step 4: Simplify right side
    13,848.94x = 115,041,717.11
  5. Step 5: Solve for x
    x = 115,041,717.11/13,848.94
  6. Step 6: Final answer
    x = 8,306.90

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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.