Home / 13,329.74-19,977.81-6,757.58

Finding the Fourth Proportional to 13,329.74, 19,977.81 and 6,757.58

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Solution

The fourth proportional to 13,329.74, 19,977.81 and 6,757.58 is: 10,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.74 : 19,977.81 = 6,757.58 : x
  2. Step 2: Convert to fraction form
    13,329.74/19,977.81 = 6,757.58/x
  3. Step 3: Cross multiply
    13,329.74x = 19,977.81 × 6,757.58
  4. Step 4: Simplify right side
    13,329.74x = 135,001,649.30
  5. Step 5: Solve for x
    x = 135,001,649.30/13,329.74
  6. Step 6: Final answer
    x = 10,127.85

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1.5x scale

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.