Home / 13,898.20-20,848.38-4,037.62

Finding the Fourth Proportional to 13,898.20, 20,848.38 and 4,037.62

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Solution

The fourth proportional to 13,898.20, 20,848.38 and 4,037.62 is: 6,056.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.20 : 20,848.38 = 4,037.62 : x
  2. Step 2: Convert to fraction form
    13,898.20/20,848.38 = 4,037.62/x
  3. Step 3: Cross multiply
    13,898.20x = 20,848.38 × 4,037.62
  4. Step 4: Simplify right side
    13,898.20x = 84,177,836.06
  5. Step 5: Solve for x
    x = 84,177,836.06/13,898.20
  6. Step 6: Final answer
    x = 6,056.74

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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.