Home / 14,781.86-22,173.71-4,922.02

Finding the Fourth Proportional to 14,781.86, 22,173.71 and 4,922.02

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Solution

The fourth proportional to 14,781.86, 22,173.71 and 4,922.02 is: 7,383.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781.86 : 22,173.71 = 4,922.02 : x
  2. Step 2: Convert to fraction form
    14,781.86/22,173.71 = 4,922.02/x
  3. Step 3: Cross multiply
    14,781.86x = 22,173.71 × 4,922.02
  4. Step 4: Simplify right side
    14,781.86x = 109,139,444.09
  5. Step 5: Solve for x
    x = 109,139,444.09/14,781.86
  6. Step 6: Final answer
    x = 7,383.34

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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.