Home / 21,944.42-30,275.18-14,394.94

Finding the Fourth Proportional to 21,944.42, 30,275.18 and 14,394.94

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Solution

The fourth proportional to 21,944.42, 30,275.18 and 14,394.94 is: 19,859.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,944.42 : 30,275.18 = 14,394.94 : x
  2. Step 2: Convert to fraction form
    21,944.42/30,275.18 = 14,394.94/x
  3. Step 3: Cross multiply
    21,944.42x = 30,275.18 × 14,394.94
  4. Step 4: Simplify right side
    21,944.42x = 435,809,411.30
  5. Step 5: Solve for x
    x = 435,809,411.30/21,944.42
  6. Step 6: Final answer
    x = 19,859.69

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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.