Home / 14,127.21-21,177.86-6,331.77

Finding the Fourth Proportional to 14,127.21, 21,177.86 and 6,331.77

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Solution

The fourth proportional to 14,127.21, 21,177.86 and 6,331.77 is: 9,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.21 : 21,177.86 = 6,331.77 : x
  2. Step 2: Convert to fraction form
    14,127.21/21,177.86 = 6,331.77/x
  3. Step 3: Cross multiply
    14,127.21x = 21,177.86 × 6,331.77
  4. Step 4: Simplify right side
    14,127.21x = 134,093,306.95
  5. Step 5: Solve for x
    x = 134,093,306.95/14,127.21
  6. Step 6: Final answer
    x = 9,491.85

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1.5x scale

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.