Home / 15,189-20,962.98-14,524.80

Finding the Fourth Proportional to 15,189, 20,962.98 and 14,524.80

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Solution

The fourth proportional to 15,189, 20,962.98 and 14,524.80 is: 20,046.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,189 : 20,962.98 = 14,524.80 : x
  2. Step 2: Convert to fraction form
    15,189/20,962.98 = 14,524.80/x
  3. Step 3: Cross multiply
    15,189x = 20,962.98 × 14,524.80
  4. Step 4: Simplify right side
    15,189x = 304,483,091.90
  5. Step 5: Solve for x
    x = 304,483,091.90/15,189
  6. Step 6: Final answer
    x = 20,046.29

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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.