Home / 11,540.32-17,295.90-7,378.72

Finding the Fourth Proportional to 11,540.32, 17,295.90 and 7,378.72

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Solution

The fourth proportional to 11,540.32, 17,295.90 and 7,378.72 is: 11,058.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,540.32 : 17,295.90 = 7,378.72 : x
  2. Step 2: Convert to fraction form
    11,540.32/17,295.90 = 7,378.72/x
  3. Step 3: Cross multiply
    11,540.32x = 17,295.90 × 7,378.72
  4. Step 4: Simplify right side
    11,540.32x = 127,621,603.25
  5. Step 5: Solve for x
    x = 127,621,603.25/11,540.32
  6. Step 6: Final answer
    x = 11,058.76

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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.