Home / 21,754.60-30,010.66-14,197.43

Finding the Fourth Proportional to 21,754.60, 30,010.66 and 14,197.43

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Solution

The fourth proportional to 21,754.60, 30,010.66 and 14,197.43 is: 19,585.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,754.60 : 30,010.66 = 14,197.43 : x
  2. Step 2: Convert to fraction form
    21,754.60/30,010.66 = 14,197.43/x
  3. Step 3: Cross multiply
    21,754.60x = 30,010.66 × 14,197.43
  4. Step 4: Simplify right side
    21,754.60x = 426,074,284.14
  5. Step 5: Solve for x
    x = 426,074,284.14/21,754.60
  6. Step 6: Final answer
    x = 19,585.48

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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.