Home / 15,372.57-23,029.68-9,119.37

Finding the Fourth Proportional to 15,372.57, 23,029.68 and 9,119.37

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Solution

The fourth proportional to 15,372.57, 23,029.68 and 9,119.37 is: 13,661.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,372.57 : 23,029.68 = 9,119.37 : x
  2. Step 2: Convert to fraction form
    15,372.57/23,029.68 = 9,119.37/x
  3. Step 3: Cross multiply
    15,372.57x = 23,029.68 × 9,119.37
  4. Step 4: Simplify right side
    15,372.57x = 210,016,057.75
  5. Step 5: Solve for x
    x = 210,016,057.75/15,372.57
  6. Step 6: Final answer
    x = 13,661.74

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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.