Home / 21,506.10-29,673.57-12,074.04

Finding the Fourth Proportional to 21,506.10, 29,673.57 and 12,074.04

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Solution

The fourth proportional to 21,506.10, 29,673.57 and 12,074.04 is: 16,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,506.10 : 29,673.57 = 12,074.04 : x
  2. Step 2: Convert to fraction form
    21,506.10/29,673.57 = 12,074.04/x
  3. Step 3: Cross multiply
    21,506.10x = 29,673.57 × 12,074.04
  4. Step 4: Simplify right side
    21,506.10x = 358,279,871.12
  5. Step 5: Solve for x
    x = 358,279,871.12/21,506.10
  6. Step 6: Final answer
    x = 16,659.45

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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.