Home / 19,199.96-28,780.17-7,350.94

Finding the Fourth Proportional to 19,199.96, 28,780.17 and 7,350.94

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Solution

The fourth proportional to 19,199.96, 28,780.17 and 7,350.94 is: 11,018.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,199.96 : 28,780.17 = 7,350.94 : x
  2. Step 2: Convert to fraction form
    19,199.96/28,780.17 = 7,350.94/x
  3. Step 3: Cross multiply
    19,199.96x = 28,780.17 × 7,350.94
  4. Step 4: Simplify right side
    19,199.96x = 211,561,302.86
  5. Step 5: Solve for x
    x = 211,561,302.86/19,199.96
  6. Step 6: Final answer
    x = 11,018.84

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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.