Home / 9,839.66-14,749.86-5,447.84

Finding the Fourth Proportional to 9,839.66, 14,749.86 and 5,447.84

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Solution

The fourth proportional to 9,839.66, 14,749.86 and 5,447.84 is: 8,166.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839.66 : 14,749.86 = 5,447.84 : x
  2. Step 2: Convert to fraction form
    9,839.66/14,749.86 = 5,447.84/x
  3. Step 3: Cross multiply
    9,839.66x = 14,749.86 × 5,447.84
  4. Step 4: Simplify right side
    9,839.66x = 80,354,877.30
  5. Step 5: Solve for x
    x = 80,354,877.30/9,839.66
  6. Step 6: Final answer
    x = 8,166.43

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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.