Home / 19,197.79-28,784.80-7,497.25

Finding the Fourth Proportional to 19,197.79, 28,784.80 and 7,497.25

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Solution

The fourth proportional to 19,197.79, 28,784.80 and 7,497.25 is: 11,241.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197.79 : 28,784.80 = 7,497.25 : x
  2. Step 2: Convert to fraction form
    19,197.79/28,784.80 = 7,497.25/x
  3. Step 3: Cross multiply
    19,197.79x = 28,784.80 × 7,497.25
  4. Step 4: Simplify right side
    19,197.79x = 215,806,841.80
  5. Step 5: Solve for x
    x = 215,806,841.80/19,197.79
  6. Step 6: Final answer
    x = 11,241.23

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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.