Home / 19,190.08-28,788.68-7,502.56

Finding the Fourth Proportional to 19,190.08, 28,788.68 and 7,502.56

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Solution

The fourth proportional to 19,190.08, 28,788.68 and 7,502.56 is: 11,255.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.08 : 28,788.68 = 7,502.56 : x
  2. Step 2: Convert to fraction form
    19,190.08/28,788.68 = 7,502.56/x
  3. Step 3: Cross multiply
    19,190.08x = 28,788.68 × 7,502.56
  4. Step 4: Simplify right side
    19,190.08x = 215,988,799.02
  5. Step 5: Solve for x
    x = 215,988,799.02/19,190.08
  6. Step 6: Final answer
    x = 11,255.23

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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.