Home / 30,203.82-45,298.71-11,486.07

Finding the Fourth Proportional to 30,203.82, 45,298.71 and 11,486.07

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Solution

The fourth proportional to 30,203.82, 45,298.71 and 11,486.07 is: 17,226.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,203.82 : 45,298.71 = 11,486.07 : x
  2. Step 2: Convert to fraction form
    30,203.82/45,298.71 = 11,486.07/x
  3. Step 3: Cross multiply
    30,203.82x = 45,298.71 × 11,486.07
  4. Step 4: Simplify right side
    30,203.82x = 520,304,153.97
  5. Step 5: Solve for x
    x = 520,304,153.97/30,203.82
  6. Step 6: Final answer
    x = 17,226.44

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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.