Home / 21,590.43-29,796.93-12,637.41

Finding the Fourth Proportional to 21,590.43, 29,796.93 and 12,637.41

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Solution

The fourth proportional to 21,590.43, 29,796.93 and 12,637.41 is: 17,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,590.43 : 29,796.93 = 12,637.41 : x
  2. Step 2: Convert to fraction form
    21,590.43/29,796.93 = 12,637.41/x
  3. Step 3: Cross multiply
    21,590.43x = 29,796.93 × 12,637.41
  4. Step 4: Simplify right side
    21,590.43x = 376,556,021.15
  5. Step 5: Solve for x
    x = 376,556,021.15/21,590.43
  6. Step 6: Final answer
    x = 17,440.88

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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.