Home / 12,241.62-18,356.96-7,554.45

Finding the Fourth Proportional to 12,241.62, 18,356.96 and 7,554.45

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Solution

The fourth proportional to 12,241.62, 18,356.96 and 7,554.45 is: 11,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241.62 : 18,356.96 = 7,554.45 : x
  2. Step 2: Convert to fraction form
    12,241.62/18,356.96 = 7,554.45/x
  3. Step 3: Cross multiply
    12,241.62x = 18,356.96 × 7,554.45
  4. Step 4: Simplify right side
    12,241.62x = 138,676,698.70
  5. Step 5: Solve for x
    x = 138,676,698.70/12,241.62
  6. Step 6: Final answer
    x = 11,328.30

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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.