Home / 21,924.92-30,269.22-13,973.96

Finding the Fourth Proportional to 21,924.92, 30,269.22 and 13,973.96

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Solution

The fourth proportional to 21,924.92, 30,269.22 and 13,973.96 is: 19,292.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.92 : 30,269.22 = 13,973.96 : x
  2. Step 2: Convert to fraction form
    21,924.92/30,269.22 = 13,973.96/x
  3. Step 3: Cross multiply
    21,924.92x = 30,269.22 × 13,973.96
  4. Step 4: Simplify right side
    21,924.92x = 422,980,869.51
  5. Step 5: Solve for x
    x = 422,980,869.51/21,924.92
  6. Step 6: Final answer
    x = 19,292.24

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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.