Home / 21,447.96-29,608.86-14,736.12

Finding the Fourth Proportional to 21,447.96, 29,608.86 and 14,736.12

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Solution

The fourth proportional to 21,447.96, 29,608.86 and 14,736.12 is: 20,343.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447.96 : 29,608.86 = 14,736.12 : x
  2. Step 2: Convert to fraction form
    21,447.96/29,608.86 = 14,736.12/x
  3. Step 3: Cross multiply
    21,447.96x = 29,608.86 × 14,736.12
  4. Step 4: Simplify right side
    21,447.96x = 436,319,714.02
  5. Step 5: Solve for x
    x = 436,319,714.02/21,447.96
  6. Step 6: Final answer
    x = 20,343.18

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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.