Home / 14,839.72-20,480.10-8,554.12

Finding the Fourth Proportional to 14,839.72, 20,480.10 and 8,554.12

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Solution

The fourth proportional to 14,839.72, 20,480.10 and 8,554.12 is: 11,805.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,839.72 : 20,480.10 = 8,554.12 : x
  2. Step 2: Convert to fraction form
    14,839.72/20,480.10 = 8,554.12/x
  3. Step 3: Cross multiply
    14,839.72x = 20,480.10 × 8,554.12
  4. Step 4: Simplify right side
    14,839.72x = 175,189,233.01
  5. Step 5: Solve for x
    x = 175,189,233.01/14,839.72
  6. Step 6: Final answer
    x = 11,805.43

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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.