Home / 21,473.22-29,633.34-12,974.16

Finding the Fourth Proportional to 21,473.22, 29,633.34 and 12,974.16

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Solution

The fourth proportional to 21,473.22, 29,633.34 and 12,974.16 is: 17,904.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,473.22 : 29,633.34 = 12,974.16 : x
  2. Step 2: Convert to fraction form
    21,473.22/29,633.34 = 12,974.16/x
  3. Step 3: Cross multiply
    21,473.22x = 29,633.34 × 12,974.16
  4. Step 4: Simplify right side
    21,473.22x = 384,467,694.49
  5. Step 5: Solve for x
    x = 384,467,694.49/21,473.22
  6. Step 6: Final answer
    x = 17,904.52

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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.