Home / 21,619.03-29,834.29-12,059.53

Finding the Fourth Proportional to 21,619.03, 29,834.29 and 12,059.53

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Solution

The fourth proportional to 21,619.03, 29,834.29 and 12,059.53 is: 16,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,619.03 : 29,834.29 = 12,059.53 : x
  2. Step 2: Convert to fraction form
    21,619.03/29,834.29 = 12,059.53/x
  3. Step 3: Cross multiply
    21,619.03x = 29,834.29 × 12,059.53
  4. Step 4: Simplify right side
    21,619.03x = 359,787,623.59
  5. Step 5: Solve for x
    x = 359,787,623.59/21,619.03
  6. Step 6: Final answer
    x = 16,642.18

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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.