Home / 9,849.63-14,764.86-5,457.90

Finding the Fourth Proportional to 9,849.63, 14,764.86 and 5,457.90

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Solution

The fourth proportional to 9,849.63, 14,764.86 and 5,457.90 is: 8,181.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,849.63 : 14,764.86 = 5,457.90 : x
  2. Step 2: Convert to fraction form
    9,849.63/14,764.86 = 5,457.90/x
  3. Step 3: Cross multiply
    9,849.63x = 14,764.86 × 5,457.90
  4. Step 4: Simplify right side
    9,849.63x = 80,585,129.39
  5. Step 5: Solve for x
    x = 80,585,129.39/9,849.63
  6. Step 6: Final answer
    x = 8,181.54

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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.