Home / 21,537.04-29,725.32-12,105.04

Finding the Fourth Proportional to 21,537.04, 29,725.32 and 12,105.04

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Solution

The fourth proportional to 21,537.04, 29,725.32 and 12,105.04 is: 16,707.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,537.04 : 29,725.32 = 12,105.04 : x
  2. Step 2: Convert to fraction form
    21,537.04/29,725.32 = 12,105.04/x
  3. Step 3: Cross multiply
    21,537.04x = 29,725.32 × 12,105.04
  4. Step 4: Simplify right side
    21,537.04x = 359,826,187.61
  5. Step 5: Solve for x
    x = 359,826,187.61/21,537.04
  6. Step 6: Final answer
    x = 16,707.32

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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.