Home / 19,585.82-27,018.42-12,504.80

Finding the Fourth Proportional to 19,585.82, 27,018.42 and 12,504.80

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Solution

The fourth proportional to 19,585.82, 27,018.42 and 12,504.80 is: 17,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585.82 : 27,018.42 = 12,504.80 : x
  2. Step 2: Convert to fraction form
    19,585.82/27,018.42 = 12,504.80/x
  3. Step 3: Cross multiply
    19,585.82x = 27,018.42 × 12,504.80
  4. Step 4: Simplify right side
    19,585.82x = 337,859,938.42
  5. Step 5: Solve for x
    x = 337,859,938.42/19,585.82
  6. Step 6: Final answer
    x = 17,250.23

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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.