Home / 11,256.72-15,533.82-6,540.63

Finding the Fourth Proportional to 11,256.72, 15,533.82 and 6,540.63

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Solution

The fourth proportional to 11,256.72, 15,533.82 and 6,540.63 is: 9,025.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.72 : 15,533.82 = 6,540.63 : x
  2. Step 2: Convert to fraction form
    11,256.72/15,533.82 = 6,540.63/x
  3. Step 3: Cross multiply
    11,256.72x = 15,533.82 × 6,540.63
  4. Step 4: Simplify right side
    11,256.72x = 101,600,969.11
  5. Step 5: Solve for x
    x = 101,600,969.11/11,256.72
  6. Step 6: Final answer
    x = 9,025.81

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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.