Home / 19,770.30-27,283.01-10,817.87

Finding the Fourth Proportional to 19,770.30, 27,283.01 and 10,817.87

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Solution

The fourth proportional to 19,770.30, 27,283.01 and 10,817.87 is: 14,928.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,770.30 : 27,283.01 = 10,817.87 : x
  2. Step 2: Convert to fraction form
    19,770.30/27,283.01 = 10,817.87/x
  3. Step 3: Cross multiply
    19,770.30x = 27,283.01 × 10,817.87
  4. Step 4: Simplify right side
    19,770.30x = 295,143,864.88
  5. Step 5: Solve for x
    x = 295,143,864.88/19,770.30
  6. Step 6: Final answer
    x = 14,928.65

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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.