Home / 19,817.45-27,350.03-11,320.84

Finding the Fourth Proportional to 19,817.45, 27,350.03 and 11,320.84

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Solution

The fourth proportional to 19,817.45, 27,350.03 and 11,320.84 is: 15,623.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.45 : 27,350.03 = 11,320.84 : x
  2. Step 2: Convert to fraction form
    19,817.45/27,350.03 = 11,320.84/x
  3. Step 3: Cross multiply
    19,817.45x = 27,350.03 × 11,320.84
  4. Step 4: Simplify right side
    19,817.45x = 309,625,313.63
  5. Step 5: Solve for x
    x = 309,625,313.63/19,817.45
  6. Step 6: Final answer
    x = 15,623.87

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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.