Home / 22,678.74-31,299.24-12,608.18

Finding the Fourth Proportional to 22,678.74, 31,299.24 and 12,608.18

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Solution

The fourth proportional to 22,678.74, 31,299.24 and 12,608.18 is: 17,400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,678.74 : 31,299.24 = 12,608.18 : x
  2. Step 2: Convert to fraction form
    22,678.74/31,299.24 = 12,608.18/x
  3. Step 3: Cross multiply
    22,678.74x = 31,299.24 × 12,608.18
  4. Step 4: Simplify right side
    22,678.74x = 394,626,295.29
  5. Step 5: Solve for x
    x = 394,626,295.29/22,678.74
  6. Step 6: Final answer
    x = 17,400.72

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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.