Home / 14,538.06-21,807.45-4,149.90

Finding the Fourth Proportional to 14,538.06, 21,807.45 and 4,149.90

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Solution

The fourth proportional to 14,538.06, 21,807.45 and 4,149.90 is: 6,224.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.06 : 21,807.45 = 4,149.90 : x
  2. Step 2: Convert to fraction form
    14,538.06/21,807.45 = 4,149.90/x
  3. Step 3: Cross multiply
    14,538.06x = 21,807.45 × 4,149.90
  4. Step 4: Simplify right side
    14,538.06x = 90,498,736.76
  5. Step 5: Solve for x
    x = 90,498,736.76/14,538.06
  6. Step 6: Final answer
    x = 6,224.95

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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.