Home / 11,256.24-16,887.60-8,340.24

Finding the Fourth Proportional to 11,256.24, 16,887.60 and 8,340.24

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Solution

The fourth proportional to 11,256.24, 16,887.60 and 8,340.24 is: 12,512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.24 : 16,887.60 = 8,340.24 : x
  2. Step 2: Convert to fraction form
    11,256.24/16,887.60 = 8,340.24/x
  3. Step 3: Cross multiply
    11,256.24x = 16,887.60 × 8,340.24
  4. Step 4: Simplify right side
    11,256.24x = 140,846,637.02
  5. Step 5: Solve for x
    x = 140,846,637.02/11,256.24
  6. Step 6: Final answer
    x = 12,512.76

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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.