Home / 21,995.87-30,346.35-14,446.29

Finding the Fourth Proportional to 21,995.87, 30,346.35 and 14,446.29

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Solution

The fourth proportional to 21,995.87, 30,346.35 and 14,446.29 is: 19,930.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995.87 : 30,346.35 = 14,446.29 : x
  2. Step 2: Convert to fraction form
    21,995.87/30,346.35 = 14,446.29/x
  3. Step 3: Cross multiply
    21,995.87x = 30,346.35 × 14,446.29
  4. Step 4: Simplify right side
    21,995.87x = 438,392,146.82
  5. Step 5: Solve for x
    x = 438,392,146.82/21,995.87
  6. Step 6: Final answer
    x = 19,930.66

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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.