Home / 18,834.64-28,261.14-7,744.66

Finding the Fourth Proportional to 18,834.64, 28,261.14 and 7,744.66

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Solution

The fourth proportional to 18,834.64, 28,261.14 and 7,744.66 is: 11,620.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.64 : 28,261.14 = 7,744.66 : x
  2. Step 2: Convert to fraction form
    18,834.64/28,261.14 = 7,744.66/x
  3. Step 3: Cross multiply
    18,834.64x = 28,261.14 × 7,744.66
  4. Step 4: Simplify right side
    18,834.64x = 218,872,920.51
  5. Step 5: Solve for x
    x = 218,872,920.51/18,834.64
  6. Step 6: Final answer
    x = 11,620.76

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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.