Home / 11,518.70-17,277.84-3,727.51

Finding the Fourth Proportional to 11,518.70, 17,277.84 and 3,727.51

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Solution

The fourth proportional to 11,518.70, 17,277.84 and 3,727.51 is: 5,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.70 : 17,277.84 = 3,727.51 : x
  2. Step 2: Convert to fraction form
    11,518.70/17,277.84 = 3,727.51/x
  3. Step 3: Cross multiply
    11,518.70x = 17,277.84 × 3,727.51
  4. Step 4: Simplify right side
    11,518.70x = 64,403,278.18
  5. Step 5: Solve for x
    x = 64,403,278.18/11,518.70
  6. Step 6: Final answer
    x = 5,591.20

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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.