Home / 19,293.95-28,943.31-6,811.45

Finding the Fourth Proportional to 19,293.95, 28,943.31 and 6,811.45

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Solution

The fourth proportional to 19,293.95, 28,943.31 and 6,811.45 is: 10,218.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.95 : 28,943.31 = 6,811.45 : x
  2. Step 2: Convert to fraction form
    19,293.95/28,943.31 = 6,811.45/x
  3. Step 3: Cross multiply
    19,293.95x = 28,943.31 × 6,811.45
  4. Step 4: Simplify right side
    19,293.95x = 197,145,836.54
  5. Step 5: Solve for x
    x = 197,145,836.54/19,293.95
  6. Step 6: Final answer
    x = 10,218.01

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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.