Home / 21,996.42-30,341.62-13,037.93

Finding the Fourth Proportional to 21,996.42, 30,341.62 and 13,037.93

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Solution

The fourth proportional to 21,996.42, 30,341.62 and 13,037.93 is: 17,984.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.42 : 30,341.62 = 13,037.93 : x
  2. Step 2: Convert to fraction form
    21,996.42/30,341.62 = 13,037.93/x
  3. Step 3: Cross multiply
    21,996.42x = 30,341.62 × 13,037.93
  4. Step 4: Simplify right side
    21,996.42x = 395,591,733.34
  5. Step 5: Solve for x
    x = 395,591,733.34/21,996.42
  6. Step 6: Final answer
    x = 17,984.37

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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.