Home / 21,292.65-31,958.69-10,770.12

Finding the Fourth Proportional to 21,292.65, 31,958.69 and 10,770.12

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Solution

The fourth proportional to 21,292.65, 31,958.69 and 10,770.12 is: 16,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,292.65 : 31,958.69 = 10,770.12 : x
  2. Step 2: Convert to fraction form
    21,292.65/31,958.69 = 10,770.12/x
  3. Step 3: Cross multiply
    21,292.65x = 31,958.69 × 10,770.12
  4. Step 4: Simplify right side
    21,292.65x = 344,198,872.49
  5. Step 5: Solve for x
    x = 344,198,872.49/21,292.65
  6. Step 6: Final answer
    x = 16,165.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.