Home / 12,404.08-17,117.56-6,814.96

Finding the Fourth Proportional to 12,404.08, 17,117.56 and 6,814.96

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Solution

The fourth proportional to 12,404.08, 17,117.56 and 6,814.96 is: 9,404.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,404.08 : 17,117.56 = 6,814.96 : x
  2. Step 2: Convert to fraction form
    12,404.08/17,117.56 = 6,814.96/x
  3. Step 3: Cross multiply
    12,404.08x = 17,117.56 × 6,814.96
  4. Step 4: Simplify right side
    12,404.08x = 116,655,486.70
  5. Step 5: Solve for x
    x = 116,655,486.70/12,404.08
  6. Step 6: Final answer
    x = 9,404.61

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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.