Home / 13,764.46-20,646.65-3,903.74

Finding the Fourth Proportional to 13,764.46, 20,646.65 and 3,903.74

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Solution

The fourth proportional to 13,764.46, 20,646.65 and 3,903.74 is: 5,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.46 : 20,646.65 = 3,903.74 : x
  2. Step 2: Convert to fraction form
    13,764.46/20,646.65 = 3,903.74/x
  3. Step 3: Cross multiply
    13,764.46x = 20,646.65 × 3,903.74
  4. Step 4: Simplify right side
    13,764.46x = 80,599,153.47
  5. Step 5: Solve for x
    x = 80,599,153.47/13,764.46
  6. Step 6: Final answer
    x = 5,855.60

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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.