Home / 21,734.10-29,992.89-12,302.34

Finding the Fourth Proportional to 21,734.10, 29,992.89 and 12,302.34

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Solution

The fourth proportional to 21,734.10, 29,992.89 and 12,302.34 is: 16,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,734.10 : 29,992.89 = 12,302.34 : x
  2. Step 2: Convert to fraction form
    21,734.10/29,992.89 = 12,302.34/x
  3. Step 3: Cross multiply
    21,734.10x = 29,992.89 × 12,302.34
  4. Step 4: Simplify right side
    21,734.10x = 368,982,730.36
  5. Step 5: Solve for x
    x = 368,982,730.36/21,734.10
  6. Step 6: Final answer
    x = 16,977.13

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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.