Home / 13,073.44-18,037.20-8,108.32

Finding the Fourth Proportional to 13,073.44, 18,037.20 and 8,108.32

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Solution

The fourth proportional to 13,073.44, 18,037.20 and 8,108.32 is: 11,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.44 : 18,037.20 = 8,108.32 : x
  2. Step 2: Convert to fraction form
    13,073.44/18,037.20 = 8,108.32/x
  3. Step 3: Cross multiply
    13,073.44x = 18,037.20 × 8,108.32
  4. Step 4: Simplify right side
    13,073.44x = 146,251,389.50
  5. Step 5: Solve for x
    x = 146,251,389.50/13,073.44
  6. Step 6: Final answer
    x = 11,186.91

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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.