Home / 13,441.48-20,167.98-4,671.61

Finding the Fourth Proportional to 13,441.48, 20,167.98 and 4,671.61

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Solution

The fourth proportional to 13,441.48, 20,167.98 and 4,671.61 is: 7,009.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.48 : 20,167.98 = 4,671.61 : x
  2. Step 2: Convert to fraction form
    13,441.48/20,167.98 = 4,671.61/x
  3. Step 3: Cross multiply
    13,441.48x = 20,167.98 × 4,671.61
  4. Step 4: Simplify right side
    13,441.48x = 94,216,937.05
  5. Step 5: Solve for x
    x = 94,216,937.05/13,441.48
  6. Step 6: Final answer
    x = 7,009.42

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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.