Home / 9,039.37-13,555.68-3,114.58

Finding the Fourth Proportional to 9,039.37, 13,555.68 and 3,114.58

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Solution

The fourth proportional to 9,039.37, 13,555.68 and 3,114.58 is: 4,670.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.37 : 13,555.68 = 3,114.58 : x
  2. Step 2: Convert to fraction form
    9,039.37/13,555.68 = 3,114.58/x
  3. Step 3: Cross multiply
    9,039.37x = 13,555.68 × 3,114.58
  4. Step 4: Simplify right side
    9,039.37x = 42,220,249.81
  5. Step 5: Solve for x
    x = 42,220,249.81/9,039.37
  6. Step 6: Final answer
    x = 4,670.71

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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.