Home / 21,623.99-29,841.50-12,674.03

Finding the Fourth Proportional to 21,623.99, 29,841.50 and 12,674.03

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Solution

The fourth proportional to 21,623.99, 29,841.50 and 12,674.03 is: 17,490.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,623.99 : 29,841.50 = 12,674.03 : x
  2. Step 2: Convert to fraction form
    21,623.99/29,841.50 = 12,674.03/x
  3. Step 3: Cross multiply
    21,623.99x = 29,841.50 × 12,674.03
  4. Step 4: Simplify right side
    21,623.99x = 378,212,066.25
  5. Step 5: Solve for x
    x = 378,212,066.25/21,623.99
  6. Step 6: Final answer
    x = 17,490.39

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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.