Home / 11,328.40-17,025.36-10,540.96

Finding the Fourth Proportional to 11,328.40, 17,025.36 and 10,540.96

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Solution

The fourth proportional to 11,328.40, 17,025.36 and 10,540.96 is: 15,841.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.40 : 17,025.36 = 10,540.96 : x
  2. Step 2: Convert to fraction form
    11,328.40/17,025.36 = 10,540.96/x
  3. Step 3: Cross multiply
    11,328.40x = 17,025.36 × 10,540.96
  4. Step 4: Simplify right side
    11,328.40x = 179,463,638.75
  5. Step 5: Solve for x
    x = 179,463,638.75/11,328.40
  6. Step 6: Final answer
    x = 15,841.92

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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.