Home / 13,079.30-18,052.03-7,773.09

Finding the Fourth Proportional to 13,079.30, 18,052.03 and 7,773.09

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Solution

The fourth proportional to 13,079.30, 18,052.03 and 7,773.09 is: 10,728.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.30 : 18,052.03 = 7,773.09 : x
  2. Step 2: Convert to fraction form
    13,079.30/18,052.03 = 7,773.09/x
  3. Step 3: Cross multiply
    13,079.30x = 18,052.03 × 7,773.09
  4. Step 4: Simplify right side
    13,079.30x = 140,320,053.87
  5. Step 5: Solve for x
    x = 140,320,053.87/13,079.30
  6. Step 6: Final answer
    x = 10,728.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.