Home / 17,558.48-26,330.72-8,318

Finding the Fourth Proportional to 17,558.48, 26,330.72 and 8,318

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Solution

The fourth proportional to 17,558.48, 26,330.72 and 8,318 is: 12,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,558.48 : 26,330.72 = 8,318 : x
  2. Step 2: Convert to fraction form
    17,558.48/26,330.72 = 8,318/x
  3. Step 3: Cross multiply
    17,558.48x = 26,330.72 × 8,318
  4. Step 4: Simplify right side
    17,558.48x = 219,018,928.96
  5. Step 5: Solve for x
    x = 219,018,928.96/17,558.48
  6. Step 6: Final answer
    x = 12,473.68

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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.