Home / 14,935.44-20,609.82-8,221.32

Finding the Fourth Proportional to 14,935.44, 20,609.82 and 8,221.32

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Solution

The fourth proportional to 14,935.44, 20,609.82 and 8,221.32 is: 11,344.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,935.44 : 20,609.82 = 8,221.32 : x
  2. Step 2: Convert to fraction form
    14,935.44/20,609.82 = 8,221.32/x
  3. Step 3: Cross multiply
    14,935.44x = 20,609.82 × 8,221.32
  4. Step 4: Simplify right side
    14,935.44x = 169,439,925.36
  5. Step 5: Solve for x
    x = 169,439,925.36/14,935.44
  6. Step 6: Final answer
    x = 11,344.82

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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.