Home / 19,292.93-28,943.99-6,145.28

Finding the Fourth Proportional to 19,292.93, 28,943.99 and 6,145.28

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Solution

The fourth proportional to 19,292.93, 28,943.99 and 6,145.28 is: 9,219.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292.93 : 28,943.99 = 6,145.28 : x
  2. Step 2: Convert to fraction form
    19,292.93/28,943.99 = 6,145.28/x
  3. Step 3: Cross multiply
    19,292.93x = 28,943.99 × 6,145.28
  4. Step 4: Simplify right side
    19,292.93x = 177,868,922.87
  5. Step 5: Solve for x
    x = 177,868,922.87/19,292.93
  6. Step 6: Final answer
    x = 9,219.38

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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.