Home / 19,292.21-28,943.80-6,145.60

Finding the Fourth Proportional to 19,292.21, 28,943.80 and 6,145.60

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Solution

The fourth proportional to 19,292.21, 28,943.80 and 6,145.60 is: 9,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292.21 : 28,943.80 = 6,145.60 : x
  2. Step 2: Convert to fraction form
    19,292.21/28,943.80 = 6,145.60/x
  3. Step 3: Cross multiply
    19,292.21x = 28,943.80 × 6,145.60
  4. Step 4: Simplify right side
    19,292.21x = 177,876,929.56
  5. Step 5: Solve for x
    x = 177,876,929.56/19,292.21
  6. Step 6: Final answer
    x = 9,220.14

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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.