Home / 11,464.15-15,821.45-6,749.35

Finding the Fourth Proportional to 11,464.15, 15,821.45 and 6,749.35

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Solution

The fourth proportional to 11,464.15, 15,821.45 and 6,749.35 is: 9,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,464.15 : 15,821.45 = 6,749.35 : x
  2. Step 2: Convert to fraction form
    11,464.15/15,821.45 = 6,749.35/x
  3. Step 3: Cross multiply
    11,464.15x = 15,821.45 × 6,749.35
  4. Step 4: Simplify right side
    11,464.15x = 106,784,503.56
  5. Step 5: Solve for x
    x = 106,784,503.56/11,464.15
  6. Step 6: Final answer
    x = 9,314.65

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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.