Home / 16,051.05-22,151.43-8,977.95

Finding the Fourth Proportional to 16,051.05, 22,151.43 and 8,977.95

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Solution

The fourth proportional to 16,051.05, 22,151.43 and 8,977.95 is: 12,390.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,051.05 : 22,151.43 = 8,977.95 : x
  2. Step 2: Convert to fraction form
    16,051.05/22,151.43 = 8,977.95/x
  3. Step 3: Cross multiply
    16,051.05x = 22,151.43 × 8,977.95
  4. Step 4: Simplify right side
    16,051.05x = 198,874,430.97
  5. Step 5: Solve for x
    x = 198,874,430.97/16,051.05
  6. Step 6: Final answer
    x = 12,390.12

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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.