Home / 13,398.18-20,093.37-4,512.52

Finding the Fourth Proportional to 13,398.18, 20,093.37 and 4,512.52

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Solution

The fourth proportional to 13,398.18, 20,093.37 and 4,512.52 is: 6,767.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398.18 : 20,093.37 = 4,512.52 : x
  2. Step 2: Convert to fraction form
    13,398.18/20,093.37 = 4,512.52/x
  3. Step 3: Cross multiply
    13,398.18x = 20,093.37 × 4,512.52
  4. Step 4: Simplify right side
    13,398.18x = 90,671,733.99
  5. Step 5: Solve for x
    x = 90,671,733.99/13,398.18
  6. Step 6: Final answer
    x = 6,767.47

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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.