Home / 21,834.26-30,131.26-11,898.26

Finding the Fourth Proportional to 21,834.26, 30,131.26 and 11,898.26

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Solution

The fourth proportional to 21,834.26, 30,131.26 and 11,898.26 is: 16,419.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,834.26 : 30,131.26 = 11,898.26 : x
  2. Step 2: Convert to fraction form
    21,834.26/30,131.26 = 11,898.26/x
  3. Step 3: Cross multiply
    21,834.26x = 30,131.26 × 11,898.26
  4. Step 4: Simplify right side
    21,834.26x = 358,509,565.61
  5. Step 5: Solve for x
    x = 358,509,565.61/21,834.26
  6. Step 6: Final answer
    x = 16,419.59

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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.