Home / 13,764.34-20,646.58-3,376.10

Finding the Fourth Proportional to 13,764.34, 20,646.58 and 3,376.10

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Solution

The fourth proportional to 13,764.34, 20,646.58 and 3,376.10 is: 5,064.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.34 : 20,646.58 = 3,376.10 : x
  2. Step 2: Convert to fraction form
    13,764.34/20,646.58 = 3,376.10/x
  3. Step 3: Cross multiply
    13,764.34x = 20,646.58 × 3,376.10
  4. Step 4: Simplify right side
    13,764.34x = 69,704,918.74
  5. Step 5: Solve for x
    x = 69,704,918.74/13,764.34
  6. Step 6: Final answer
    x = 5,064.17

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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.