Home / 14,619.53-20,175.41-8,331.50

Finding the Fourth Proportional to 14,619.53, 20,175.41 and 8,331.50

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Solution

The fourth proportional to 14,619.53, 20,175.41 and 8,331.50 is: 11,497.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.53 : 20,175.41 = 8,331.50 : x
  2. Step 2: Convert to fraction form
    14,619.53/20,175.41 = 8,331.50/x
  3. Step 3: Cross multiply
    14,619.53x = 20,175.41 × 8,331.50
  4. Step 4: Simplify right side
    14,619.53x = 168,091,428.42
  5. Step 5: Solve for x
    x = 168,091,428.42/14,619.53
  6. Step 6: Final answer
    x = 11,497.73

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1.5x scale

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.