Home / 14,127.21-19,494.68-8,157.92

Finding the Fourth Proportional to 14,127.21, 19,494.68 and 8,157.92

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Solution

The fourth proportional to 14,127.21, 19,494.68 and 8,157.92 is: 11,257.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.21 : 19,494.68 = 8,157.92 : x
  2. Step 2: Convert to fraction form
    14,127.21/19,494.68 = 8,157.92/x
  3. Step 3: Cross multiply
    14,127.21x = 19,494.68 × 8,157.92
  4. Step 4: Simplify right side
    14,127.21x = 159,035,901.60
  5. Step 5: Solve for x
    x = 159,035,901.60/14,127.21
  6. Step 6: Final answer
    x = 11,257.42

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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.