Home / 19,770.68-27,282.92-10,817.98

Finding the Fourth Proportional to 19,770.68, 27,282.92 and 10,817.98

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Solution

The fourth proportional to 19,770.68, 27,282.92 and 10,817.98 is: 14,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,770.68 : 27,282.92 = 10,817.98 : x
  2. Step 2: Convert to fraction form
    19,770.68/27,282.92 = 10,817.98/x
  3. Step 3: Cross multiply
    19,770.68x = 27,282.92 × 10,817.98
  4. Step 4: Simplify right side
    19,770.68x = 295,146,082.90
  5. Step 5: Solve for x
    x = 295,146,082.90/19,770.68
  6. Step 6: Final answer
    x = 14,928.47

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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.