Home / 14,630.05-20,189.45-8,257.98

Finding the Fourth Proportional to 14,630.05, 20,189.45 and 8,257.98

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Solution

The fourth proportional to 14,630.05, 20,189.45 and 8,257.98 is: 11,396.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,630.05 : 20,189.45 = 8,257.98 : x
  2. Step 2: Convert to fraction form
    14,630.05/20,189.45 = 8,257.98/x
  3. Step 3: Cross multiply
    14,630.05x = 20,189.45 × 8,257.98
  4. Step 4: Simplify right side
    14,630.05x = 166,724,094.96
  5. Step 5: Solve for x
    x = 166,724,094.96/14,630.05
  6. Step 6: Final answer
    x = 11,396.01

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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.