Home / 19,286.98-28,906.63-11,381.49

Finding the Fourth Proportional to 19,286.98, 28,906.63 and 11,381.49

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Solution

The fourth proportional to 19,286.98, 28,906.63 and 11,381.49 is: 17,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.98 : 28,906.63 = 11,381.49 : x
  2. Step 2: Convert to fraction form
    19,286.98/28,906.63 = 11,381.49/x
  3. Step 3: Cross multiply
    19,286.98x = 28,906.63 × 11,381.49
  4. Step 4: Simplify right side
    19,286.98x = 329,000,491.82
  5. Step 5: Solve for x
    x = 329,000,491.82/19,286.98
  6. Step 6: Final answer
    x = 17,058.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.