Home / 14,497.08-20,007.24-8,123.58

Finding the Fourth Proportional to 14,497.08, 20,007.24 and 8,123.58

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Solution

The fourth proportional to 14,497.08, 20,007.24 and 8,123.58 is: 11,211.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,497.08 : 20,007.24 = 8,123.58 : x
  2. Step 2: Convert to fraction form
    14,497.08/20,007.24 = 8,123.58/x
  3. Step 3: Cross multiply
    14,497.08x = 20,007.24 × 8,123.58
  4. Step 4: Simplify right side
    14,497.08x = 162,530,414.72
  5. Step 5: Solve for x
    x = 162,530,414.72/14,497.08
  6. Step 6: Final answer
    x = 11,211.25

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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.