Home / 19,251.55-28,868.46-7,998.81

Finding the Fourth Proportional to 19,251.55, 28,868.46 and 7,998.81

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Solution

The fourth proportional to 19,251.55, 28,868.46 and 7,998.81 is: 11,994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.55 : 28,868.46 = 7,998.81 : x
  2. Step 2: Convert to fraction form
    19,251.55/28,868.46 = 7,998.81/x
  3. Step 3: Cross multiply
    19,251.55x = 28,868.46 × 7,998.81
  4. Step 4: Simplify right side
    19,251.55x = 230,913,326.53
  5. Step 5: Solve for x
    x = 230,913,326.53/19,251.55
  6. Step 6: Final answer
    x = 11,994.53

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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.