Home / 22,678.67-31,296.68-12,608.05

Finding the Fourth Proportional to 22,678.67, 31,296.68 and 12,608.05

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Solution

The fourth proportional to 22,678.67, 31,296.68 and 12,608.05 is: 17,399.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,678.67 : 31,296.68 = 12,608.05 : x
  2. Step 2: Convert to fraction form
    22,678.67/31,296.68 = 12,608.05/x
  3. Step 3: Cross multiply
    22,678.67x = 31,296.68 × 12,608.05
  4. Step 4: Simplify right side
    22,678.67x = 394,590,106.27
  5. Step 5: Solve for x
    x = 394,590,106.27/22,678.67
  6. Step 6: Final answer
    x = 17,399.17

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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.