Home / 19,086.33-28,638.54-9,220.08

Finding the Fourth Proportional to 19,086.33, 28,638.54 and 9,220.08

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Solution

The fourth proportional to 19,086.33, 28,638.54 and 9,220.08 is: 13,834.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086.33 : 28,638.54 = 9,220.08 : x
  2. Step 2: Convert to fraction form
    19,086.33/28,638.54 = 9,220.08/x
  3. Step 3: Cross multiply
    19,086.33x = 28,638.54 × 9,220.08
  4. Step 4: Simplify right side
    19,086.33x = 264,049,629.88
  5. Step 5: Solve for x
    x = 264,049,629.88/19,086.33
  6. Step 6: Final answer
    x = 13,834.49

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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.