Home / 13,029.80-19,534.37-5,629.10

Finding the Fourth Proportional to 13,029.80, 19,534.37 and 5,629.10

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Solution

The fourth proportional to 13,029.80, 19,534.37 and 5,629.10 is: 8,439.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029.80 : 19,534.37 = 5,629.10 : x
  2. Step 2: Convert to fraction form
    13,029.80/19,534.37 = 5,629.10/x
  3. Step 3: Cross multiply
    13,029.80x = 19,534.37 × 5,629.10
  4. Step 4: Simplify right side
    13,029.80x = 109,960,796.35
  5. Step 5: Solve for x
    x = 109,960,796.35/13,029.80
  6. Step 6: Final answer
    x = 8,439.18

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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.