Home / 11,123.74-16,693.83-8,958.60

Finding the Fourth Proportional to 11,123.74, 16,693.83 and 8,958.60

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Solution

The fourth proportional to 11,123.74, 16,693.83 and 8,958.60 is: 13,444.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123.74 : 16,693.83 = 8,958.60 : x
  2. Step 2: Convert to fraction form
    11,123.74/16,693.83 = 8,958.60/x
  3. Step 3: Cross multiply
    11,123.74x = 16,693.83 × 8,958.60
  4. Step 4: Simplify right side
    11,123.74x = 149,553,345.44
  5. Step 5: Solve for x
    x = 149,553,345.44/11,123.74
  6. Step 6: Final answer
    x = 13,444.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.