Home / 13,323.90-19,998.12-6,754.68

Finding the Fourth Proportional to 13,323.90, 19,998.12 and 6,754.68

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Solution

The fourth proportional to 13,323.90, 19,998.12 and 6,754.68 is: 10,138.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.90 : 19,998.12 = 6,754.68 : x
  2. Step 2: Convert to fraction form
    13,323.90/19,998.12 = 6,754.68/x
  3. Step 3: Cross multiply
    13,323.90x = 19,998.12 × 6,754.68
  4. Step 4: Simplify right side
    13,323.90x = 135,080,901.20
  5. Step 5: Solve for x
    x = 135,080,901.20/13,323.90
  6. Step 6: Final answer
    x = 10,138.24

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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.