Home / 19,769.90-27,282.21-10,817.30

Finding the Fourth Proportional to 19,769.90, 27,282.21 and 10,817.30

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Solution

The fourth proportional to 19,769.90, 27,282.21 and 10,817.30 is: 14,927.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.90 : 27,282.21 = 10,817.30 : x
  2. Step 2: Convert to fraction form
    19,769.90/27,282.21 = 10,817.30/x
  3. Step 3: Cross multiply
    19,769.90x = 27,282.21 × 10,817.30
  4. Step 4: Simplify right side
    19,769.90x = 295,119,850.23
  5. Step 5: Solve for x
    x = 295,119,850.23/19,769.90
  6. Step 6: Final answer
    x = 14,927.74

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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.